Table information for 'alerce_tap.lsst_ss_object'

General

Table Description:

Properties of solar system objects observed by LSST, including orbital parameters, photometric phase curves, minimum orbit intersection distances (MOID), and H-G12 magnitude models fitted in each photometric band.

This table is available for ADQL queries and through the TAP endpoint.

Resource Description:

Multi-survey astronomical object catalog containing astrometric and statistical information from multiple surveys. This table provides aggregated properties for astronomical objects including position, detection statistics, and temporal coverage.

For a list of all services and tables belonging to this table's resource, see Information on resource 'ALeRCE Multi-Survey Object Catalog'

Citing this table

To cite the table as such, we suggest the following BibTeX entry:

@MISC{vo:alerce_tap_lsst_,
  year=2026,
  title={{LSST} Solar System Objects},
  author={{ALeRCE} Team},
  url={http://tap.alerce.online/tableinfo/alerce_tap.lsst_ss_object},
  howpublished={{VO} resource provided by the {ALeRCE} {TAP} service}
}

Columns

Sorted by DB column index. [Sort alphabetically]

NameTable Head DescriptionUnitUCD
oid Oid Solar system object identifier N/A meta.id;src
designation Designation The unpacked primary provisional designation for this object N/A meta.id
nobs Nobs Total number of LSST observations of this object N/A meta.number;obs
arc Arc Timespan (arc) of all LSST observations, t_last - t_first d time.duration;obs
firstobservationmjdtai Firstobservationmjdtai The time of the first LSST observation of this object (could be precovered), TAI d time.epoch;obs
moidearth Moidearth Minimum orbit intersection distance to Earth AU pos.distance;src.orbital
moidearthdeltav Moidearthdeltav DeltaV at the MOID point km/s phys.veloc.orbital
moideartheclipticlongitude Moideartheclipticlongitude Ecliptic longitude of the MOID point (Earth's orbit) deg pos.ecliptic.lon
moidearthtrueanomaly Moidearthtrueanomaly True anomaly of the MOID point on Earth's orbit deg pos.phaseAng
moidearthtrueanomalyobject Moidearthtrueanomalyobject True anomaly of the MOID point on the object's orbit deg pos.phaseAng;src.orbital
tisserand_j Tisserand_j Tisserand parameter with respect to Jupiter (T_J) N/A src.orbital.TissJ
extendednessmax Extendednessmax Maximum extendedness value from the DiaSource N/A phys.size;stat.max
extendednessmedian Extendednessmedian Median extendedness value from the DiaSource N/A phys.size;stat.median
extendednessmin Extendednessmin Minimum extendedness value from the DiaSource N/A phys.size;stat.min
u_nobs U_nobs Total number of data points (u band) N/A meta.number;obs
u_h U_h Best fit absolute magnitude (u band) mag phot.mag
u_herr U_herr Error in the estimate of H (u band) mag stat.error;phot.mag
u_g12 U_g12 Best fit G12 slope parameter (u band) N/A stat.fit.param
u_g12err U_g12err Error in the estimate of G12 (u band) N/A stat.error;stat.fit.param
u_h_u_g12_cov U_h_u_g12_cov H–G12 covariance (u band) mag**2 stat.covariance;phot.mag;stat.fit.param
u_nobsused U_nobsused The number of data points used to fit the phase curve (u band) N/A meta.number;obs
u_chi2 U_chi2 Chi^2 statistic of the phase curve fit (u band) N/A stat.fit.chi2
u_phaseanglemin U_phaseanglemin Minimum phase angle observed (u band) deg pos.phaseAng;stat.min
u_phaseanglemax U_phaseanglemax Maximum phase angle observed (u band) deg pos.phaseAng;stat.max
u_slope_fit_failed U_slope_fit_failed G12 fit failed in u band. G12 contains a fiducial value used to fit H N/A meta.code.qual
g_nobs G_nobs Total number of data points (g band) N/A meta.number;obs
g_h G_h Best fit absolute magnitude (g band) mag phot.mag
g_herr G_herr Error in the estimate of H (g band) mag stat.error;phot.mag
g_g12 G_g12 Best fit G12 slope parameter (g band) N/A stat.fit.param
g_g12err G_g12err Error in the estimate of G12 (g band) N/A stat.error;stat.fit.param
g_h_g_g12_cov G_h_g_g12_cov H–G12 covariance (g band) mag**2 stat.covariance;phot.mag;stat.fit.param
g_nobsused G_nobsused The number of data points used to fit the phase curve (g band) N/A meta.number;obs
g_chi2 G_chi2 Chi^2 statistic of the phase curve fit (g band) N/A stat.fit.chi2
g_phaseanglemin G_phaseanglemin Minimum phase angle observed (g band) deg pos.phaseAng;stat.min
g_phaseanglemax G_phaseanglemax Maximum phase angle observed (g band) deg pos.phaseAng;stat.max
g_slope_fit_failed G_slope_fit_failed G12 fit failed in g band. G12 contains a fiducial value used to fit H N/A meta.code.qual
r_nobs R_nobs Total number of data points (r band) N/A meta.number;obs
r_h R_h Best fit absolute magnitude (r band) mag phot.mag
r_herr R_herr Error in the estimate of H (r band) mag stat.error;phot.mag
r_g12 R_g12 Best fit G12 slope parameter (r band) N/A stat.fit.param
r_g12err R_g12err Error in the estimate of G12 (r band) N/A stat.error;stat.fit.param
r_h_r_g12_cov R_h_r_g12_cov H–G12 covariance (r band) mag**2 stat.covariance;phot.mag;stat.fit.param
r_nobsused R_nobsused The number of data points used to fit the phase curve (r band) N/A meta.number;obs
r_chi2 R_chi2 Chi^2 statistic of the phase curve fit (r band) N/A stat.fit.chi2
r_phaseanglemin R_phaseanglemin Minimum phase angle observed (r band) deg pos.phaseAng;stat.min
r_phaseanglemax R_phaseanglemax Maximum phase angle observed (r band) deg pos.phaseAng;stat.max
r_slope_fit_failed R_slope_fit_failed G12 fit failed in r band. G12 contains a fiducial value used to fit H N/A meta.code.qual
i_nobs I_nobs Total number of data points (i band) N/A meta.number;obs
i_h I_h Best fit absolute magnitude (i band) mag phot.mag
i_herr I_herr Error in the estimate of H (i band) mag stat.error;phot.mag
i_g12 I_g12 Best fit G12 slope parameter (i band) N/A stat.fit.param
i_g12err I_g12err Error in the estimate of G12 (i band) N/A stat.error;stat.fit.param
i_h_i_g12_cov I_h_i_g12_cov H–G12 covariance (i band) mag**2 stat.covariance;phot.mag;stat.fit.param
i_nobsused I_nobsused The number of data points used to fit the phase curve (i band) N/A meta.number;obs
i_chi2 I_chi2 Chi^2 statistic of the phase curve fit (i band) N/A stat.fit.chi2
i_phaseanglemin I_phaseanglemin Minimum phase angle observed (i band) deg pos.phaseAng;stat.min
i_phaseanglemax I_phaseanglemax Maximum phase angle observed (i band) deg pos.phaseAng;stat.max
i_slope_fit_failed I_slope_fit_failed G12 fit failed in i band. G12 contains a fiducial value used to fit H N/A meta.code.qual
z_nobs Z_nobs Total number of data points (z band) N/A meta.number;obs
z_h Z_h Best fit absolute magnitude (z band) mag phot.mag
z_herr Z_herr Error in the estimate of H (z band) mag stat.error;phot.mag
z_g12 Z_g12 Best fit G12 slope parameter (z band) N/A stat.fit.param
z_g12err Z_g12err Error in the estimate of G12 (z band) N/A stat.error;stat.fit.param
z_h_z_g12_cov Z_h_z_g12_cov H–G12 covariance (z band) mag**2 stat.covariance;phot.mag;stat.fit.param
z_nobsused Z_nobsused The number of data points used to fit the phase curve (z band) N/A meta.number;obs
z_chi2 Z_chi2 Chi^2 statistic of the phase curve fit (z band) N/A stat.fit.chi2
z_phaseanglemin Z_phaseanglemin Minimum phase angle observed (z band) deg pos.phaseAng;stat.min
z_phaseanglemax Z_phaseanglemax Maximum phase angle observed (z band) deg pos.phaseAng;stat.max
z_slope_fit_failed Z_slope_fit_failed G12 fit failed in z band. G12 contains a fiducial value used to fit H N/A meta.code.qual
y_nobs Y_nobs Total number of data points (y band) N/A meta.number;obs
y_h Y_h Best fit absolute magnitude (y band) mag phot.mag
y_herr Y_herr Error in the estimate of H (y band) mag stat.error;phot.mag
y_g12 Y_g12 Best fit G12 slope parameter (y band) N/A stat.fit.param
y_g12err Y_g12err Error in the estimate of G12 (y band) N/A stat.error;stat.fit.param
y_h_y_g12_cov Y_h_y_g12_cov H–G12 covariance (y band) mag**2 stat.covariance;phot.mag;stat.fit.param
y_nobsused Y_nobsused The number of data points used to fit the phase curve (y band) N/A meta.number;obs
y_chi2 Y_chi2 Chi^2 statistic of the phase curve fit (y band) N/A stat.fit.chi2
y_phaseanglemin Y_phaseanglemin Minimum phase angle observed (y band) deg pos.phaseAng;stat.min
y_phaseanglemax Y_phaseanglemax Maximum phase angle observed (y band) deg pos.phaseAng;stat.max
y_slope_fit_failed Y_slope_fit_failed G12 fit failed in y band. G12 contains a fiducial value used to fit H N/A meta.code.qual
created_date Created_date Date record was created N/A time.creation

Columns that are parts of indices are marked like this.

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