1999 UR4

1999UR4, 44853, J99U04R

All data for this body: [vot]

MPC data
Name (number) 1999 UR4 (44853)
a 2.68857
e 0.08969
i / sin(i) 5.1299 / 0.08941
q 2.44743
Q 2.92971
ω 292.8225
Node 166.9316
m 85.5774
n 0.2236
Epoch 2460200.5
nobs 1498
nopp 19
Years observed 1997-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.688
ep 0.101
sin(ip) 0.087
Value Standard error
G 0.150
H 15.040
Mass
D 2.90 0.433
pV 0.277 0.0865
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6884 0.1010 0.0866 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.90 0.433 0.433 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.277 0.0865 0.0865 Masiero 2011ApJ...741...68M 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
15.04 MPC-2023-12-04 MPC-2023-12-04 Phot