1998HC146

18721, 1997EW36, J97E36W, J98HE6C

All data for this body: [vot]

MPC data
Name (number) 1998HC146 (18721)
Packed designation 18721
a 3.20410
e 0.05458
i / sin(i) 7.2215 / 0.12571
q 3.02924
Q 3.37897
ω 153.7494
Node 106.0121
m 11.3467
n 0.1718
Epoch 2459600.5
nobs 1679
nopp 21
Years observed 1997-2021
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.197
ep 0.090
sin(ip) 0.108
Value Standard error
G 0.150
H 13.680
Mass
D 11.19 0.527
pV 0.035 0.0078
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1968 0.0896 0.1078 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.19 0.527 0.527 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0078 0.0078 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
13.68 MPC-2022-01-18 MPC-2022-01-18 Phot