Arctictern

08769, 1990 OP4, 1990OP4, 2181 T-2, 2181T-2, J90O04P, T2S2181

All data for this body: [vot]

MPC data
Name (number) Arctictern (8769)
a 2.68327
e 0.04876
i / sin(i) 3.0904 / 0.05391
q 2.55244
Q 2.81411
ω 95.0880
Node 187.8566
m 207.9878
n 0.2242
Epoch 2460200.5
nobs 3376
nopp 24
Years observed 1973-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.684
ep 0.063
sin(ip) 0.063
Value Standard error
G 0.150
H 13.510
Mass
D 6.80 0.185
pV 0.152 0.0602
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6843 0.0634 0.0627 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.80 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.152 0.0602 0.0602 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
13.51 MPC-2023-12-04 MPC-2023-12-04 Phot