1999UD1

1998KE15, 21870, J98K15E, J99U01D

All data for this body: [vot]

MPC data
Name (number) 1999UD1 (21870)
Packed designation 21870
a 2.29988
e 0.13322
i / sin(i) 6.6192 / 0.11527
q 1.99348
Q 2.60628
ω 207.2318
Node 44.0990
m 268.1016
n 0.2826
Epoch 2459600.5
nobs 1806
nopp 19
Years observed 1992-2021
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.300
ep 0.143
sin(ip) 0.104
Value Standard error
G 0.150
H 14.840
Mass
D
pV
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2995 0.1430 0.1045 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.84 MPC-2022-01-18 MPC-2022-01-18 Phot