2002 BJ21

2002BJ21, B1676, K02B21J

All data for this body: [vot]

MPC data
Name (number) 2002 BJ21 (111676)
a 3.21282
e 0.01750
i / sin(i) 33.1418 / 0.54671
q 3.15659
Q 3.26904
ω 200.2520
Node 37.4779
m 283.4542
n 0.1711
Epoch 2460800.5
nobs 1043
nopp 20
Years observed 1997-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.212
ep 0.065
sin(ip) 0.536
G 0.150
H 14.090
Mass
D 5.00 0.755
pV 0.214 0.1594
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 12.001
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
77899 2001 TS117 -1 2001TS117 -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2115 0.0646 0.5361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.00 0.755 0.755 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.214 0.1594 0.1594 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
14.09 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 0.76 Bus VIS Carvano 2010A&A...510A..43C PHOT
C X 0.7782 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S X 0.1322 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2361 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2799 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4548 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4645 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5649 0.3350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT