1999 CA31

1999CA31, 2000 JT45, 2000JT45, 29771, J99C31A, K00J45T

All data for this body: [vot]

MPC data
Name (number) 1999 CA31 (29771)
a 3.16313
e 0.13087
i / sin(i) 3.0616 / 0.05341
q 2.74916
Q 3.57710
ω 176.5154
Node 70.1899
m 151.8734
n 0.1752
Epoch 2460800.5
nobs 2139
nopp 22
Years observed 1994-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.165
ep 0.151
sin(ip) 0.035
G 0.150
H 13.900
Mass
D 7.04 0.127
pV 0.156 0.0387
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.712
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.2500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1648 0.1515 0.0352 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.04 0.127 0.127 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.156 0.0387 0.0387 Masiero 2011ApJ...741...68M 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
13.90 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.6187 0.5790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT