Umtata

01397, 1931 GK, 1931GK, 1936 PG, 1936PG, 1945 QF, 1945QF, 1945 RC, 1945RC, 1948 EB1, 1948EB1, J31G00K, J36P00G, J45Q00F, J45R00C, J48E01B

All data for this body: [vot]

MPC data
Name (number) Umtata (1397)
a 2.68220
e 0.25442
i / sin(i) 3.5093 / 0.06121
q 1.99981
Q 3.36460
ω 206.4086
Node 77.4211
m 307.4853
n 0.2244
Epoch 2460200.5
nobs 4632
nopp 40
Years observed 1936-2023
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.684
ep 0.250
sin(ip) 0.041
Value Standard error
G 0.150
H 11.460
Mass
D 21.36 0.167
pV 0.098 0.0112
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6837 0.2501 0.0410 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.41 1.840 1.840 Ali-Lagoa 2018A&A...612A..85A NEATM
20.35 0.300 0.300 Usui 2011PASJ...63.1117U NEATM
20.80 0.290 0.290 Masiero 2014ApJ...791..121M NEATM
21.28 2.130 2.130 Ali-Lagoa 2018A&A...612A..85A NEATM
22.89 0.285 0.285 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.079 0.0140 0.0140 Masiero 2011ApJ...741...68M NEATM
0.080 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.126 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.168 0.0340 0.0340 Ali-Lagoa 2018A&A...612A..85A 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
11.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
237.59 Durech 2020A&A...643A..59D Model
30.00 Binzel 1987Icar...72..135B Lightcurve