1999 CS91

1999CS91, 47123, J99C91S

All data for this body: [vot]

MPC data
Name (number) 1999 CS91 (47123)
a 3.23726
e 0.11148
i / sin(i) 3.9501 / 0.06889
q 2.87638
Q 3.59814
ω 50.3119
Node 335.8456
m 285.6177
n 0.1692
Epoch 2460800.5
nobs 1618
nopp 23
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.220
ep 0.115
sin(ip) 0.083
G 0.150
H 14.290
Mass
D 7.73 0.108
pV 0.074 0.0123
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 8.715
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2197 0.1149 0.0833 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.73 0.108 0.108 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0123 0.0123 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
14.29 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 0.974 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.4785 0.4785 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT