1999 HJ5

1999HJ5, 1993 SS9, 1993SS9, 31654, J93S09S, J99H05J

All data for this body: [vot]

MPC data
Name (number) 1999 HJ5 (31654)
a 2.35995
e 0.09182
i / sin(i) 5.8313 / 0.10160
q 2.14326
Q 2.57665
ω 304.7288
Node 204.7792
m 123.9420
n 0.2719
Epoch 2460800.5
nobs 2484
nopp 22
Years observed 1993-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.359
ep 0.133
sin(ip) 0.111
G 0.150
H 14.880
Mass
D 3.38 0.140
pV 0.246 0.0677
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3594 0.1329 0.1106 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.38 0.140 0.140 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.246 0.0677 0.0677 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
14.88 MPC-2023-12-04 MPC-2023-12-04 Phot