1998 UG4

1998UG4, 1999 XH191, 1999XH191, 40234, J98U04G, J99XJ1H

All data for this body: [vot]

MPC data
Name (number) 1998 UG4 (40234)
a 3.20216
e 0.14738
i / sin(i) 12.3184 / 0.21334
q 2.73023
Q 3.67409
ω 320.2937
Node 42.9435
m 120.5024
n 0.1720
Epoch 2460200.5
nobs 1527
nopp 21
Years observed 1998-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.212
ep 0.119
sin(ip) 0.200
Value Standard error
G 0.150
H 13.720
Mass
D 5.62 0.630
pV 0.223 0.0440
Rotational Period 4.007
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2125 0.1186 0.2000 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.62 0.630 0.630 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.223 0.0440 0.0440 Masiero 2012ApJ...759L...8M 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
13.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.01 Waszczak 2015AJ....150...75W Lightcurve
4.01 Durech 2023A&A...675A..24D Model