1999 XQ254

1999XQ254, 2009 BM1, 2009BM1, J99XP4Q, K09B01M, S5460

All data for this body: [vot]

MPC data
Name (number) 1999 XQ254 (285460)
a 2.71418
e 0.07181
i / sin(i) 11.8297 / 0.20500
q 2.51927
Q 2.90910
ω 257.2142
Node 287.0376
m 172.9358
n 0.2204
Epoch 2460800.5
nobs 338
nopp 17
Years observed 1999-2025
rms 0.92
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.715
ep 0.103
sin(ip) 0.225
G 0.150
H 16.260
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 0.928
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7153 0.1032 0.2246 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
16.26 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
D D 0.0746 0.0220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V D 0.0595 0.0220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V D 0.0952 0.0220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT