1997 UD8

1997UD8, 1977 DZ4, 1977DZ4, 42598, J77D04Z, J97U08D

All data for this body: [vot]

MPC data
Name (number) 1997 UD8 (42598)
a 2.40471
e 0.17883
i / sin(i) 7.2159 / 0.12561
q 1.97469
Q 2.83474
ω 234.0554
Node 4.4046
m 113.4566
n 0.2643
Epoch 2460200.5
nobs 1795
nopp 21
Years observed 1974-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.403
ep 0.197
sin(ip) 0.129
Value Standard error
G 0.150
H 14.990
Mass
D 5.31 0.211
pV 0.090 0.0309
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4026 0.1970 0.1293 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.44 1.130 1.130 Nugent 2016AJ....152...63N NEATM
5.34 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.090 0.0361 0.0361 Masiero 2011ApJ...741...68M NEATM
0.090 0.0600 0.0600 Nugent 2016AJ....152...63N 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
14.99 MPC-2023-12-04 MPC-2023-12-04 Phot