2001 QJ81

2001QJ81, 1982 BU7, 1982BU7, 1999 FF58, 1999FF58, 42267, J82B07U, J99F58F, K01Q81J

All data for this body: [vot]

MPC data
Name (number) 2001 QJ81 (42267)
a 2.57511
e 0.24901
i / sin(i) 11.9316 / 0.20674
q 1.93389
Q 3.21633
ω 45.6524
Node 337.3654
m 251.8920
n 0.2385
Epoch 2460800.5
nobs 1933
nopp 25
Years observed 1975-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.574
ep 0.208
sin(ip) 0.217
G 0.150
H 14.240
Mass
D
pV
Value
Rotational Period 3.150
Period quality 3
Spectral Class B
Spectral Class Score 10.980
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5744 0.2084 0.2170 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.24 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.152 3 Synodic Pray 2006MPBu...33....4P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.3148 0.5680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.7416 0.5680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.7736 0.5680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.80 Bus VIS Carvano 2010A&A...510A..43C PHOT
V B 0.0405 0.5680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT