1999 CH55

1999CH55, 1991 XB7, 1991XB7, 2001 RA105, 2001RA105, 74470, J91X07B, J99C55H, K01RA5A

All data for this body: [vot]

MPC data
Name (number) 1999 CH55 (74470)
a 3.13221
e 0.09849
i / sin(i) 6.1367 / 0.10690
q 2.82371
Q 3.44072
ω 187.4901
Node 58.6058
m 80.7541
n 0.1778
Epoch 2460200.5
nobs 2059
nopp 21
Years observed 1991-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.132
ep 0.125
sin(ip) 0.090
Value Standard error
G 0.150
H 13.880
Mass
D 9.13 0.212
pV 0.084 0.0147
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
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
3.1321 0.1250 0.0902 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.13 0.212 0.212 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.084 0.0147 0.0147 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot