2001 MJ9

2001MJ9, 54792, K01M09J

All data for this body: [vot]

MPC data
Name (number) 2001 MJ9 (54792)
a 2.72362
e 0.13738
i / sin(i) 7.8195 / 0.13605
q 2.34946
Q 3.09779
ω 157.9391
Node 265.3895
m 27.7780
n 0.2193
Epoch 2460800.5
nobs 2299
nopp 22
Years observed 1997-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.723
ep 0.111
sin(ip) 0.152
G 0.150
H 14.490
Mass
D 7.86 0.133
pV 0.035 0.0041
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7234 0.1109 0.1522 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.84 0.134 0.134 Masiero 2011ApJ...741...68M NEATM
8.18 2.900 2.900 Nugent 2016AJ....152...63N NEATM
8.39 3.170 3.170 Masiero 2021PSJ.....2..162M NEATM
8.42 2.300 2.300 Masiero 2021PSJ.....2..162M NEATM
8.46 1.895 1.895 Masiero 2017AJ....154..168M NEATM
9.74 1.530 1.530 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0130 0.0130 Masiero 2012ApJ...759L...8M NEATM
0.035 0.0046 0.0046 Masiero 2011ApJ...741...68M NEATM
0.038 0.0153 0.0153 Masiero 2017AJ....154..168M NEATM
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.040 0.0230 0.0570 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0240 0.0620 Masiero 2021PSJ.....2..162M 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
14.49 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
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT