Thora

00299, 1890 TA, 1890TA, 1935 PC, 1935PC, 1939 PK, 1939PK, I90T00A, J35P00C, J39P00K

All data for this body: [vot]

MPC data
Name (number) Thora (299)
a 2.43353
e 0.06267
i / sin(i) 1.6086 / 0.02807
q 2.28102
Q 2.58604
ω 150.8780
Node 241.4075
m 151.2678
n 0.2596
Epoch 2460800.5
nobs 5437
nopp 37
Years observed 1932-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.434
ep 0.044
sin(ip) 0.043
G 0.150
H 11.350
Mass
D 16.17 0.055
pV 0.175 0.0097
Value
Rotational Period 272.000
Period quality 3-
Spectral Class S
Spectral Class Score 5.694
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4342 0.0443 0.0430 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.84 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
15.76 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
16.08 3.990 3.990 Nugent 2016AJ....152...63N NEATM
16.35 3.270 3.270 Ali-Lagoa 2018A&A...612A..85A NEATM
16.37 0.139 0.139 Masiero 2011ApJ...741...68M NEATM
16.69 0.650 0.650 Usui 2011PASJ...63.1117U NEATM
17.06 1.500 1.500 Tedesco 2002AJ....123.1056T STM
17.55 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
19.18 3.840 3.840 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.156 0.0620 0.0620 Ali-Lagoa 2018A&A...612A..85A NEATM
0.160 0.0132 0.0132 Masiero 2011ApJ...741...68M NEATM
0.167 0.0330 0.0330 Tedesco 2002AJ....123.1056T STM
0.184 0.0196 0.0196 Masiero 2011ApJ...741...68M NEATM
0.200 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.215 0.0860 0.0860 Ali-Lagoa 2018A&A...612A..85A NEATM
0.250 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.260 0.0700 0.0700 Masiero 2014ApJ...791..121M 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
11.35 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
272.2 3- Synodic Pilcher 2017MPBu...44..270P Lightcurve
272.9 3- Synodic Pilcher 2017MPBu...44..270P Lightcurve
273.2 3- Synodic Pilcher 2017MPBu...44..270P Lightcurve
273.40012 2 Sidereal Martikainen 2021A&A...649A..98M Model
273.42 2 Sidereal Durech 2020A&A...643A..59D Model
274.0 2+ Synodic Pilcher 2014MPBu...41..209P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.9490 0.9490 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT