Ubasti

04257, 1987 QA, 1987QA, J87Q00A

All data for this body: [vot]

MPC data
Name (number) Ubasti (4257)
a 1.64715
e 0.46831
i / sin(i) 40.7204 / 0.65237
q 0.87577
Q 2.41854
ω 278.9504
Node 169.1428
m 254.1812
n 0.4662
Epoch 2460800.5
nobs 1829
nopp 25
Years observed 1987-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 15.960
Mass
D 1.32 0.086
pV 0.362 0.1450
Value
Rotational Period 4.000
Period quality 1
Spectral Class None
Spectral Class Score
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.30 0.090 0.090 Usui 2011PASJ...63.1117U NEATM
1.55 0.310 0.310 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.362 0.1450 0.1450 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
15.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.4 1 Synodic Skiff 2019MPBu...46..238S Lightcurve