1999 CH57

1999CH57, 44562, J99C57H

All data for this body: [vot]

MPC data
Name (number) 1999 CH57 (44562)
a 3.12906
e 0.13072
i / sin(i) 1.4423 / 0.02517
q 2.72003
Q 3.53808
ω 8.5090
Node 165.3378
m 257.0587
n 0.1781
Epoch 2460800.5
nobs 1692
nopp 21
Years observed 1997-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.132
ep 0.161
sin(ip) 0.026
G 0.150
H 14.430
Mass
D 6.75 0.013
pV 0.107 0.0091
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.852
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 -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1320 0.1605 0.0256 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.75 0.013 0.013 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.107 0.0091 0.0091 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
14.43 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
B B 0.2138 0.2230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.2414 0.2230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.0810 0.2230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.3944 0.2230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT