1998HA138

1999RJ128, 37984, J98HD8A, J99RC8J

All data for this body: [vot]

MPC data
Name (number) 1998HA138 (37984)
Packed designation 37984
a 2.78988
e 0.14595
i / sin(i) 9.3867 / 0.16310
q 2.38271
Q 3.19705
ω 139.2803
Node 168.6132
m 306.9250
n 0.2115
Epoch 2459600.5
nobs 1068
nopp 17
Years observed 1998-2021
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.790
ep 0.129
sin(ip) 0.160
Value Standard error
G 0.150
H 14.790
Mass
D 3.63 0.992
pV 0.212 0.1304
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion 0.1000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7900 0.1290 0.1595 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.63 0.992 0.992 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.1304 0.1304 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
14.79 MPC-2022-01-18 MPC-2022-01-18 Phot