Oldfield

05656, 1920 TA, 1920TA, 1978 WW18, 1978WW18, 1981 JZ5, 1981JZ5, J20T00A, J78W18W, J81J05Z

All data for this body: [vot]

MPC data
Name (number) Oldfield (5656)
a 2.46095
e 0.26310
i / sin(i) 4.0128 / 0.06998
q 1.81348
Q 3.10842
ω 83.8265
Node 248.6136
m 69.8000
n 0.2553
Epoch 2460800.5
nobs 3023
nopp 26
Years observed 1920-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.458
ep 0.225
sin(ip) 0.093
G 0.150
H 14.500
Mass
D 7.68 0.051
pV 0.076 0.0085
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 5.250
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4585 0.2252 0.0926 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.89 0.940 0.940 Masiero 2021PSJ.....2..162M NEATM
5.65 1.580 1.580 Masiero 2021PSJ.....2..162M NEATM
7.69 0.051 0.051 Masiero 2011ApJ...741...68M NEATM
7.70 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
7.70 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.075 0.0086 0.0086 Masiero 2011ApJ...741...68M NEATM
0.108 0.0430 0.0700 Masiero 2021PSJ.....2..162M NEATM
0.296 0.1140 0.1840 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
14.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.5417 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT
C B 0.1866 0.4390 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT