2001 DR31

2001DR31, 1999 YR15, 1999YR15, 46034, J99Y15R, K01D31R

All data for this body: [vot]

MPC data
Name (number) 2001 DR31 (46034)
a 2.41956
e 0.12967
i / sin(i) 4.1457 / 0.07229
q 2.10582
Q 2.73329
ω 179.2629
Node 107.0971
m 40.7403
n 0.2619
Epoch 2460800.5
nobs 1502
nopp 22
Years observed 1991-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.420
ep 0.117
sin(ip) 0.057
G 0.150
H 15.570
Mass
D 4.68 0.105
pV 0.063 0.0088
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4203 0.1174 0.0565 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.27 1.180 1.180 Masiero 2020PSJ.....1....5M NEATM
4.68 0.106 0.106 Masiero 2011ApJ...741...68M NEATM
5.08 1.260 1.260 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0160 0.0250 Masiero 2021PSJ.....2..162M NEATM
0.061 0.0480 0.0480 Masiero 2020PSJ.....1....5M NEATM
0.067 0.0100 0.0100 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
15.57 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
C 0.27 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.2196 0.2196 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT