1991UM3

17491, 1999JG13, J91U03M, J99J13G

All data for this body: [vot]

MPC data
Name (number) 1991UM3 (17491)
Packed designation 17491
a 2.77718
e 0.20252
i / sin(i) 9.4335 / 0.16390
q 2.21476
Q 3.33960
ω 291.2623
Node 58.9830
m 232.0017
n 0.2130
Epoch 2459600.5
nobs 1668
nopp 19
Years observed 1991-2021
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.776
ep 0.162
sin(ip) 0.152
Value Standard error
G 0.150
H 13.880
Mass
D 9.36 1.602
pV 0.051 0.0251
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7764 0.1615 0.1523 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.81 2.460 2.460 Masiero 2020PSJ.....1....5M NEATM
9.64 3.020 3.020 Masiero 2021PSJ.....2..162M NEATM
9.89 2.950 2.950 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.052 0.0270 0.0550 Masiero 2021PSJ.....2..162M NEATM
0.069 0.0520 0.0520 Masiero 2020PSJ.....1....5M 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
13.88 MPC-2022-01-18 MPC-2022-01-18 Phot