2002 JM38

2002JM38, 1999 XQ239, 1999XQ239, D2508, J99XN9Q, K02J38M

All data for this body: [vot]

MPC data
Name (number) 2002 JM38 (132508)
a 2.59165
e 0.22800
i / sin(i) 15.5616 / 0.26827
q 2.00076
Q 3.18254
ω 300.5372
Node 30.3206
m 102.2145
n 0.2362
Epoch 2460800.5
nobs 837
nopp 19
Years observed 1999-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.590
ep 0.175
sin(ip) 0.266
G 0.150
H 15.510
Mass
D 4.88 0.248
pV 0.063 0.0140
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.482
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5896 0.1747 0.2656 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.51 0.840 0.840 Nugent 2016AJ....152...63N NEATM
4.91 0.259 0.259 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.067 0.0159 0.0159 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
15.51 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 C 0.2706 0.3500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4764 0.3500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT