1998 UB44

1998UB44, 74328, J98U44B

All data for this body: [vot]

MPC data
Name (number) 1998 UB44 (74328)
a 2.65402
e 0.19335
i / sin(i) 16.6178 / 0.28599
q 2.14087
Q 3.16717
ω 312.0638
Node 48.6442
m 284.1415
n 0.2280
Epoch 2460200.5
nobs 1678
nopp 20
Years observed 1976-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.654
ep 0.152
sin(ip) 0.271
Value Standard error
G 0.150
H 14.260
Mass
D 7.37 0.493
pV 0.065 0.0053
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6535 0.1521 0.2713 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.91 1.890 1.890 Masiero 2021PSJ.....2..162M NEATM
6.29 1.940 1.940 Nugent 2016AJ....152...63N NEATM
7.57 0.529 0.529 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0053 0.0053 Masiero 2011ApJ...741...68M NEATM
0.080 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.116 0.0500 0.0890 Masiero 2021PSJ.....2..162M 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
14.26 MPC-2023-12-04 MPC-2023-12-04 Phot