1999UM11

1990EY5, 20667, J90E05Y, J99U11M

All data for this body: [vot]

MPC data
Name (number) 1999UM11 (20667)
Packed designation 20667
a 3.18850
e 0.12092
i / sin(i) 1.6784 / 0.02929
q 2.80293
Q 3.57407
ω 28.2277
Node 60.8425
m 289.8515
n 0.1731
Epoch 2459600.5
nobs 1837
nopp 19
Years observed 1990-2021
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.174
ep 0.136
sin(ip) 0.019
Value Standard error
G 0.150
H 13.730
Mass
D 8.29 0.328
pV 0.078 0.0083
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1744 0.1363 0.0188 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.29 0.328 0.328 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.078 0.0083 0.0083 Masiero 2011ApJ...741...68M NEATM
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
13.73 MPC-2022-01-18 MPC-2022-01-18 Phot