1999 XQ254

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

All data for this body: [vot]

MPC data
Name (number) 1999 XQ254 (285460)
a 2.71551
e 0.07151
i / sin(i) 11.8271 / 0.20496
q 2.52132
Q 2.90971
ω 257.5546
Node 287.0411
m 40.4067
n 0.2203
Epoch 2460200.5
nobs 317
nopp 15
Years observed 1999-2023
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.715
ep 0.103
sin(ip) 0.225
Value Standard error
G 0.150
H 16.260
Mass
D
pV
Rotational Period
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-Oct-2022
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