1982 UM2

1982UM2, 09538, 1986 VH, 1986VH, J82U02M, J86V00H

All data for this body: [vot]

MPC data
Name (number) 1982 UM2 (9538)
a 2.52141
e 0.13978
i / sin(i) 2.2720 / 0.03964
q 2.16898
Q 2.87385
ω 250.0167
Node 158.8126
m 67.2318
n 0.2462
Epoch 2460200.5
nobs 3338
nopp 25
Years observed 1954-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.521
ep 0.114
sin(ip) 0.036
Value Standard error
G 0.150
H 13.860
Mass
D 4.58 0.071
pV 0.297 0.0372
Rotational Period 21.995
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5205 0.1139 0.0362 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.47 0.090 0.090 Masiero 2012ApJ...759L...8M NEATM
4.77 0.116 0.116 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0607 0.0607 Masiero 2011ApJ...741...68M NEATM
0.320 0.0470 0.0470 Masiero 2012ApJ...759L...8M 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
13.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
22.00 Waszczak 2015AJ....150...75W Lightcurve