1997HD8

2002CB168, 85458, J97H08D, K02CG8B

All data for this body: [vot]

MPC data
Name (number) 1997HD8 (85458)
Packed designation 85458
a 3.19566
e 0.09398
i / sin(i) 5.7802 / 0.10071
q 2.89534
Q 3.49599
ω 201.9460
Node 44.6282
m 92.0106
n 0.1725
Epoch 2459600.5
nobs 884
nopp 19
Years observed 1991-2021
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.186
ep 0.118
sin(ip) 0.089
Value Standard error
G 0.150
H 14.490
Mass
D 6.73 0.288
pV 0.062 0.0111
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
3.1861 0.1183 0.0890 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.73 0.288 0.288 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.062 0.0111 0.0111 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
14.49 MPC-2022-01-18 MPC-2022-01-18 Phot