Robmackintosh

04881, 1975 XJ, 1975XJ, 1987 BF2, 1987BF2, J75X00J, J87B02F

All data for this body: [vot]

MPC data
Name (number) Robmackintosh (4881)
a 2.31454
e 0.04656
i / sin(i) 8.0842 / 0.14063
q 2.20678
Q 2.42230
ω 349.5225
Node 141.2165
m 306.0415
n 0.2799
Epoch 2460800.5
nobs 3190
nopp 25
Years observed 1975-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.314
ep 0.094
sin(ip) 0.138
G 0.150
H 14.390
Mass
D 3.02 0.456
pV 0.336 0.1009
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.969
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3141 0.0941 0.1377 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.02 0.456 0.456 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.336 0.1009 0.1009 Masiero 2011ApJ...741...68M 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
14.39 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8348 0.5160 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.6394 0.5160 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT