1998 OP12

1998OP12, 1976 GB4, 1976GB4, 1997 HR4, 1997HR4, 33320, J76G04B, J97H04R, J98O12P

All data for this body: [vot]

MPC data
Name (number) 1998 OP12 (33320)
a 3.01165
e 0.32144
i / sin(i) 1.3147 / 0.02294
q 2.04357
Q 3.97972
ω 137.4609
Node 101.7504
m 87.0456
n 0.1886
Epoch 2460800.5
nobs 1678
nopp 25
Years observed 1976-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.030
ep 0.307
sin(ip) 0.001
G 0.150
H 14.470
Mass
D 7.76 1.315
pV 0.050 0.0252
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0304 0.3073 0.0009 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.39 1.570 1.570 Masiero 2021PSJ.....2..162M NEATM
8.64 2.410 2.410 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.062 0.0270 0.0480 Masiero 2021PSJ.....2..162M 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
14.47 MPC-2023-12-04 MPC-2023-12-04 Phot