Thetis

00017, 1852 HA, 1852HA, 1913 CA, 1913CA, 1916 YF, 1916YF, 1954 SO1, 1954SO1, I52H00A, J13C00A, J16Y00F, J54S01O

All data for this body: [vot]

MPC data
Name (number) Thetis (17)
a 2.47120
e 0.13195
i / sin(i) 5.5924 / 0.09745
q 2.14511
Q 2.79728
ω 135.7816
Node 125.5228
m 142.1187
n 0.2537
Epoch 2460800.5
nobs 10393
nopp 98
Years observed 1852-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.471
ep 0.138
sin(ip) 0.085
G 0.150
H 7.920
Mass 1.345e+18 3.922e+16
D 78.30 0.737
pV 0.175 0.0063
Value
Rotational Period 12.270
Period quality 3
Spectral Class S
Spectral Class Score 36.300
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4711 0.1380 0.0852 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.6600e+17 4.3800e+17 4.3800e+17 Fienga 2020MNRAS.492..589F Ephem
1.1800e+18 7.5600e+16 7.5600e+16 Baer 2008DPS....40.5209B Deflec
1.2300e+18 1.2700e+17 1.2700e+17 Baer 2008CeMDA.100...27B Deflec
1.4000e+18 Folkner 2014IPNPR.196C...1F Ephem
1.4300e+18 4.9700e+16 4.9700e+16 Baer 2011AJ....141..143B Deflec
4.0400e+18 1.4100e+18 1.4100e+18 Fienga 2011CeMDA.111..363F Ephem
7.3295e+18 1.8294e+18 1.8294e+18 Fienga 2013arXiv1301.1510F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
69.64 2.260 2.260 Masiero 2012ApJ...759L...8M NEATM
74.59 0.990 0.990 Usui 2011PASJ...63.1117U NEATM
77.00 8.000 8.000 Durech 2011Icar..214..652D OCCULT
80.36 3.299 3.299 Ryan&Woodward 2010AJ....140..933R IRAS-STM
82.00 8.200 8.200 Ali-Lagoa 2018A&A...612A..85A NEATM
84.90 2.030 2.030 Masiero 2014ApJ...791..121M NEATM
88.27 8.830 8.830 Ali-Lagoa 2018A&A...612A..85A NEATM
90.04 3.700 3.700 Tedesco 2002AJ....123.1056T STM
93.33 2.627 2.627 Masiero 2011ApJ...741...68M NEATM
95.85 6.011 6.011 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.155 0.0194 0.0194 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.160 0.0092 0.0092 Masiero 2011ApJ...741...68M NEATM
0.172 0.0150 0.0150 Tedesco 2002AJ....123.1056T STM
0.190 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.196 0.0390 0.0390 Ali-Lagoa 2018A&A...612A..85A NEATM
0.217 0.0172 0.0172 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.227 0.0450 0.0450 Ali-Lagoa 2018A&A...612A..85A NEATM
0.287 0.0510 0.0510 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
7.92 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.249 3 Synodic Behrend LCDB Lightcurve
12.25 1 Synodic Behrend LCDB Lightcurve
12.26603 2 Sidereal Durech 2009A&A...493..291D Model
12.26603 2 Sidereal Durech 2011Icar..214..652D Model
12.26603 2 Sidereal Hanus 2016A&A...586A.108H Model
12.26603 2 Sidereal Torppa 2003Icar..164..346T Model
12.27048 3 Sidereal Michalowski 1995Icar..118..292M Model
12.275 2 Synodic Groeneveld 1954ApJ...120..200G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.790000 0.210000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Tholen VIS Clark 1995Icar..113..387C PHOT
S 0.910000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sl Bus VIS Bus 2002Icar..158..146B SPEC
X D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT