1998CH4

2001UH141, E8022, J98C04H, K01UE1H

All data for this body: [vot]

MPC data
Name (number) 1998CH4 (148022)
Packed designation E8022
a 3.12205
e 0.07332
i / sin(i) 5.2648 / 0.09176
q 2.89314
Q 3.35096
ω 25.9042
Node 169.5062
m 84.6372
n 0.1787
Epoch 2459600.5
nobs 582
nopp 16
Years observed 1998-2021
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.121
ep 0.113
sin(ip) 0.087
Value Standard error
G 0.150
H 15.210
Mass
D 5.35 0.514
pV 0.068 0.0138
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
3.1211 0.1128 0.0866 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.35 0.514 0.514 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0138 0.0138 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.21 MPC-2022-01-18 MPC-2022-01-18 Phot