2004 BP21

2004BP21, K04B21P, S8303

All data for this body: [vot]

MPC data
Name (number) 2004 BP21 (288303)
a 2.73230
e 0.10123
i / sin(i) 12.9739 / 0.22451
q 2.45571
Q 3.00889
ω 330.1069
Node 136.3844
m 267.5968
n 0.2182
Epoch 2460800.5
nobs 450
nopp 18
Years observed 1995-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.734
ep 0.122
sin(ip) 0.210
G 0.150
H 16.240
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.319
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7340 0.1221 0.2098 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
16.24 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
B X 0.0117 0.1910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B X 0.0185 0.1910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.1670 0.1910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.867 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.2132 0.1910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2353 0.1910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4380 0.1910 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
XD 0.05 Bus VIS Carvano 2010A&A...510A..43C PHOT