1999UA1

40991, J99U01A

All data for this body: [vot]

MPC data
Name (number) 1999UA1 (40991)
Packed designation 40991
a 2.42830
e 0.24981
i / sin(i) 7.5298 / 0.13104
q 1.82168
Q 3.03492
ω 298.9487
Node 34.0121
m 353.6777
n 0.2605
Epoch 2459600.5
nobs 1275
nopp 17
Years observed 1998-2021
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.428
ep 0.209
sin(ip) 0.125
Value Standard error
G 0.150
H 15.150
Mass
D 2.10 0.358
pV 0.440 0.1750
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4283 0.2095 0.1249 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.10 0.358 0.358 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.440 0.1750 0.1750 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
15.15 MPC-2022-01-18 MPC-2022-01-18 Phot