Bus

03254, 1982 SW4, 1982SW4, 1982 UM, 1982UM, J82S04W, J82U00M

All data for this body: [vot]

MPC data
Name (number) Bus (3254)
a 3.96669
e 0.15358
i / sin(i) 4.4133 / 0.07695
q 3.35748
Q 4.57589
ω 302.4526
Node 42.7766
m 175.1830
n 0.1248
Epoch 2460800.5
nobs 5756
nopp 30
Years observed 1982-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.959
ep 0.074
sin(ip) 0.067
G 0.150
H 11.330
Mass
D 31.84 0.396
pV 0.057 0.0075
Value
Rotational Period 6.600
Period quality 2
Spectral Class T
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9595 0.0742 0.0670 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
31.10 0.440 0.440 Grav 2012ApJ...744..197G NEATM
34.09 3.410 3.410 Ali-Lagoa 2018A&A...612A..85A NEATM
35.07 0.950 0.950 Usui 2011PASJ...63.1117U NEATM
35.69 7.140 7.140 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.073 0.0140 0.0140 Grav 2012ApJ...744..197G 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
11.33 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.54 2 Synodic Warner 2017MPBu...44..331W Lightcurve
6.62 2 Synodic Binzel 1992Icar...95..222B Lightcurve
6.62572 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.381 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
P C 0.530000 0.220000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Bus VIS Bus 2002Icar..158..146B SPEC