Thoma

05492, 1959 TK, 1959TK, 1987 SM27, 1987SM27, 1987 UM8, 1987UM8, 3227 T-1, 3227T-1, J59T00K, J87S27M, J87U08M, T1S3227

All data for this body: [vot]

MPC data
Name (number) Thoma (5492)
a 2.78376
e 0.13725
i / sin(i) 17.5897 / 0.30220
q 2.40169
Q 3.16583
ω 193.1520
Node 191.1631
m 35.1084
n 0.2122
Epoch 2460800.5
nobs 7884
nopp 26
Years observed 1959-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent Watsonia (729)
 
ap 2.783
ep 0.120
sin(ip) 0.299
G 0.150
H 12.510
Mass
D 13.34 0.074
pV 0.156 0.0163
Value
Rotational Period 3.314
Period quality 3-
Spectral Class L
Spectral Class Score 11.737
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
729 Watsonia 0 Watsonia Novakovic 2019EPSC...13.1671N HCM
729 Watsonia 537 Watsonia Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7828 0.1203 0.2990 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.49 3.200 3.200 Nugent 2016AJ....152...63N NEATM
10.72 0.250 0.250 Masiero 2012ApJ...759L...8M NEATM
12.01 0.850 0.850 Usui 2011PASJ...63.1117U NEATM
12.55 2.510 2.510 Ali-Lagoa 2018A&A...612A..85A NEATM
13.40 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
13.66 0.086 0.086 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.137 0.0213 0.0213 Masiero 2011ApJ...741...68M NEATM
0.150 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.161 0.0640 0.0640 Ali-Lagoa 2018A&A...612A..85A NEATM
0.180 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.222 0.0400 0.0400 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.3142 3- Synodic Benishek 2020MPBu...47...75B Lightcurve
3.31437 2 Sidereal Durech 2023A&A...675A..24D Model
3.315 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.315 2+ Synodic Klinglesmith 2015MPBu...42...12K Lightcurve
3.331 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Cgx Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT
D D 0.4709 0.5240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8368 0.5240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L Bus VIS Bus 2002Icar..158..146B SPEC
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
L D 0.4661 0.5240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L&D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
M 0.870000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC