2001 UJ31

2001UJ31, 1996 KA1, 1996KA1, 1999 CB19, 1999CB19, 42296, J96K01A, J99C19B, K01U31J

All data for this body: [vot]

MPC data
Name (number) 2001 UJ31 (42296)
a 2.56438
e 0.13359
i / sin(i) 9.8729 / 0.17146
q 2.22181
Q 2.90695
ω 144.0771
Node 98.3128
m 39.9719
n 0.2400
Epoch 2460800.5
nobs 2099
nopp 22
Years observed 1996-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.563
ep 0.154
sin(ip) 0.154
G 0.150
H 14.850
Mass
D 4.32 1.403
pV 0.135 0.0769
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 4.875
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5634 0.1543 0.1536 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.32 1.403 1.403 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.135 0.0769 0.0769 Masiero 2017AJ....154..168M 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
14.85 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
C Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT
D D 0.2641 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.5484 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V D 0.1002 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT