2001 XM221

2001XM221, C5909, K01XM1M

All data for this body: [vot]

MPC data
Name (number) 2001 XM221 (125909)
a 2.58267
e 0.12383
i / sin(i) 4.8784 / 0.08504
q 2.26287
Q 2.90247
ω 241.5114
Node 50.9796
m 344.8843
n 0.2375
Epoch 2460800.5
nobs 1036
nopp 19
Years observed 2001-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.582
ep 0.127
sin(ip) 0.073
G 0.150
H 15.930
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.892
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5818 0.1268 0.0734 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
15.93 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
S 0.982 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT