1993 OW4

1993OW4, 2004 CH61, 2004CH61, A0120, J93O04W, K04C61H

All data for this body: [vot]

MPC data
Name (number) 1993 OW4 (100120)
a 2.62023
e 0.16547
i / sin(i) 16.4642 / 0.28342
q 2.18667
Q 3.05379
ω 233.7162
Node 113.6718
m 140.5974
n 0.2324
Epoch 2460800.5
nobs 1061
nopp 18
Years observed 1993-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.621
ep 0.116
sin(ip) 0.268
G 0.150
H 15.440
Mass
D 5.20 0.039
pV 0.052 0.0055
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.418
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6208 0.1155 0.2675 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.20 0.039 0.039 Masiero 2011ApJ...741...68M NEATM
5.49 1.840 1.840 Masiero 2021PSJ.....2..162M NEATM
5.73 1.970 1.970 Masiero 2012ApJ...759L...8M NEATM
5.90 1.490 1.490 Masiero 2021PSJ.....2..162M NEATM
6.38 2.170 2.170 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.035 0.0210 0.0500 Masiero 2021PSJ.....2..162M NEATM
0.041 0.0180 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.041 0.0570 0.0570 Masiero 2012ApJ...759L...8M NEATM
0.053 0.0058 0.0058 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
15.44 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 0.302 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.6010 0.4420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.5511 0.4420 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT