1998 HD85

1998HD85, 1994 TQ7, 1994TQ7, 58853, J94T07Q, J98H85D

All data for this body: [vot]

MPC data
Name (number) 1998 HD85 (58853)
a 3.15633
e 0.11990
i / sin(i) 4.5463 / 0.07926
q 2.77788
Q 3.53479
ω 86.9579
Node 189.8973
m 232.6516
n 0.1758
Epoch 2460800.5
nobs 1267
nopp 23
Years observed 1994-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.158
ep 0.127
sin(ip) 0.084
G 0.150
H 14.580
Mass
D 7.15 0.240
pV 0.066 0.0289
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
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
3.1576 0.1273 0.0838 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.15 0.240 0.240 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.066 0.0289 0.0289 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.58 MPC-2023-12-04 MPC-2023-12-04 Phot