2002 SJ21

2002SJ21, 2000 EU143, 2000EU143, 2001 KB30, 2001KB30, 2002 SN62, 2002SN62, B3393, K00EE3U, K01K30B, K02S21J, K02S62N

All data for this body: [vot]

MPC data
Name (number) 2002 SJ21 (113393)
a 2.98086
e 0.17899
i / sin(i) 2.0770 / 0.03624
q 2.44731
Q 3.51441
ω 142.3311
Node 178.9583
m 169.2008
n 0.1915
Epoch 2460800.5
nobs 972
nopp 22
Years observed 1997-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.983
ep 0.155
sin(ip) 0.040
G 0.150
H 15.370
Mass
D 4.80 0.562
pV 0.070 0.0190
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 11.885
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9831 0.1550 0.0401 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.80 0.562 0.562 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0190 0.0190 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
15.37 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.79 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.6417 0.6920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.7425 0.6920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT