2002 UT31

2002UT31, 1998 SZ18, 1998SZ18, 90033, J98S18Z, K02U31T

All data for this body: [vot]

MPC data
Name (number) 2002 UT31 (90033)
a 2.30666
e 0.17445
i / sin(i) 8.0655 / 0.14031
q 1.90427
Q 2.70904
ω 242.6915
Node 344.0092
m 314.4922
n 0.2813
Epoch 2460800.5
nobs 972
nopp 18
Years observed 1997-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.307
ep 0.199
sin(ip) 0.148
G 0.150
H 16.020
Mass
D 3.53 0.405
pV 0.048 0.0146
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3067 0.1987 0.1483 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.30 0.532 0.532 Masiero 2011ApJ...741...68M NEATM
3.38 0.850 0.850 Nugent 2016AJ....152...63N NEATM
4.24 1.230 1.230 Masiero 2020PSJ.....1....5M NEATM
4.63 1.370 1.370 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0170 0.0310 Masiero 2021PSJ.....2..162M NEATM
0.043 0.0400 0.0400 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.065 0.0283 0.0283 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
16.02 MPC-2023-12-04 MPC-2023-12-04 Phot