1998 UD

1998UD, 40232, J98U00D

All data for this body: [vot]

MPC data
Name (number) 1998 UD (40232)
a 2.29227
e 0.10799
i / sin(i) 23.3873 / 0.39694
q 2.04472
Q 2.53982
ω 135.8130
Node 316.2881
m 168.3801
n 0.2840
Epoch 2460800.5
nobs 2590
nopp 19
Years observed 1953-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.292
ep 0.105
sin(ip) 0.382
G 0.150
H 14.390
Mass
D 3.45 0.107
pV 0.492 0.0995
Value
Rotational Period 42.069
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2918 0.1055 0.3820 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.45 0.107 0.107 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.492 0.0995 0.0995 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
14.39 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
42.0699 2 Sidereal Durech 2018A&A...617A..57D Model