2001 XX9

2001XX9, 2003 FJ29, 2003FJ29, B1251, K01X09X, K03F29J

All data for this body: [vot]

MPC data
Name (number) 2001 XX9 (111251)
a 2.59288
e 0.20852
i / sin(i) 5.2614 / 0.09170
q 2.05221
Q 3.13355
ω 325.6739
Node 40.7105
m 272.1819
n 0.2361
Epoch 2460800.5
nobs 959
nopp 19
Years observed 1999-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.592
ep 0.178
sin(ip) 0.079
G 0.150
H 15.560
Mass
D 2.11 0.341
pV 0.301 0.0984
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 5.333
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5925 0.1782 0.0791 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.11 0.341 0.341 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.301 0.0984 0.0984 Masiero 2011ApJ...741...68M NEATM
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
15.56 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 0.3970 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.4918 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT
V D 0.0887 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT