1998 HR8

1998HR8, 1981 EC47, 1981EC47, 2000 SY325, 2000SY325, 58823, J81E47C, J98H08R, K00SW5Y

All data for this body: [vot]

MPC data
Name (number) 1998 HR8 (58823)
a 2.59859
e 0.22126
i / sin(i) 4.8128 / 0.08390
q 2.02363
Q 3.17356
ω 330.1640
Node 150.4055
m 222.3274
n 0.2353
Epoch 2460800.5
nobs 714
nopp 19
Years observed 1981-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.601
ep 0.249
sin(ip) 0.072
G 0.150
H 16.440
Mass
D 1.47 0.158
pV 0.248 0.0675
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6014 0.2488 0.0724 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.47 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.248 0.0675 0.0675 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
16.44 MPC-2023-12-04 MPC-2023-12-04 Phot