2001 QR249

2001QR249, 1999 JD85, 1999JD85, 51954, J99J85D, K01QO9R

All data for this body: [vot]

MPC data
Name (number) 2001 QR249 (51954)
a 3.17955
e 0.13491
i / sin(i) 17.3891 / 0.29886
q 2.75059
Q 3.60850
ω 354.1641
Node 122.6756
m 282.8437
n 0.1738
Epoch 2460800.5
nobs 1718
nopp 23
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.192
ep 0.145
sin(ip) 0.274
G 0.150
H 13.830
Mass
D 8.45 0.169
pV 0.108 0.0238
Value
Rotational Period 24.000
Period quality 2-
Spectral Class C
Spectral Class Score 6.356
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1915 0.1449 0.2739 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.45 0.169 0.169 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.108 0.0238 0.0238 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
13.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
24.0 2- Synodic Behrend LCDB Lightcurve
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
C 0.43 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.916 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT