2002 BT21

2002BT21, K02B21T, N7797

All data for this body: [vot]

MPC data
Name (number) 2002 BT21 (237797)
a 1.92043
e 0.07626
i / sin(i) 24.2022 / 0.40996
q 1.77398
Q 2.06688
ω 345.4589
Node 86.7559
m 328.5514
n 0.3703
Epoch 2460800.5
nobs 601
nopp 12
Years observed 2002-2024
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.921
ep 0.071
sin(ip) 0.362
G 0.150
H 17.160
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 8.218
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria -0.3500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9206 0.0714 0.3625 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
17.16 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 0.37 Bus VIS Carvano 2010A&A...510A..43C PHOT
S X 0.3308 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1943 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2305 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2323 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3341 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3785 0.2590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT