1997GH21

1999VV201, 39771, J97G21H, J99VK1V

All data for this body: [vot]

MPC data
Name (number) 1997GH21 (39771)
Packed designation 39771
a 3.04065
e 0.12042
i / sin(i) 9.7165 / 0.16877
q 2.67450
Q 3.40679
ω 242.3182
Node 42.2441
m 186.5721
n 0.1859
Epoch 2459600.5
nobs 998
nopp 17
Years observed 1997-2022
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Emma (283)
 
ap 3.042
ep 0.118
sin(ip) 0.160
Value Standard error
G 0.150
H 14.510
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
283 Emma 607 Emma -0.2200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0416 0.1180 0.1603 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
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
14.51 MPC-2022-01-18 MPC-2022-01-18 Phot