Thais

01236, 1931 VX, 1931VX, 1957 LQ, 1957LQ, 1964 JH, 1964JH, 1965 WA, 1965WA, J31V00X, J57L00Q, J64J00H, J65W00A

All data for this body: [vot]

MPC data
Name (number) Thais (1236)
a 2.43090
e 0.24148
i / sin(i) 13.1774 / 0.22797
q 1.84389
Q 3.01791
ω 306.0693
Node 48.5739
m 276.6712
n 0.2600
Epoch 2460800.5
nobs 5863
nopp 33
Years observed 1931-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.430
ep 0.192
sin(ip) 0.218
G 0.150
H 11.810
Mass
D 20.48 0.334
pV 0.061 0.0031
Value
Rotational Period 47.989
Period quality 2
Spectral Class T
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4301 0.1923 0.2177 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.18 4.940 4.940 Nugent 2016AJ....152...63N NEATM
18.23 1.049 1.049 Ryan&Woodward 2010AJ....140..933R IRAS-STM
18.32 3.720 3.720 Masiero 2020PSJ.....1....5M NEATM
19.16 1.790 1.790 Masiero 2011ApJ...741...68M NEATM
20.07 0.410 0.410 Usui 2011PASJ...63.1117U NEATM
20.13 6.200 6.200 Masiero 2021PSJ.....2..162M NEATM
20.96 2.100 2.100 Ali-Lagoa 2018A&A...612A..85A NEATM
22.34 1.300 1.300 Tedesco 2002AJ....123.1056T STM
25.11 1.080 1.080 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0042 0.0042 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.060 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.081 0.0159 0.0159 Masiero 2011ApJ...741...68M NEATM
0.087 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.090 0.0070 0.0070 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.093 0.0390 0.0660 Masiero 2021PSJ.....2..162M NEATM
0.100 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.104 0.0470 0.0470 Masiero 2020PSJ.....1....5M 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
11.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
411.961 2 Synodic Pal 2020ApJS..247...26P Lightcurve
47.9891 2 Sidereal Durech 2018A&A...617A..57D Model
47.99012 2 Sidereal Martikainen 2021A&A...649A..98M Model
72.0 1 Synodic Schober 1983A&A...120..106S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.67 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.2987 0.2987 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
P M 0.480000 0.440000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC