1999 XJ173

1999XJ173, 1998 SY61, 1998SY61, 45205, J98S61Y, J99XH3J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ173 (45205)
a 2.65984
e 0.06809
i / sin(i) 9.0870 / 0.15793
q 2.47874
Q 2.84094
ω 203.5488
Node 318.8448
m 253.8917
n 0.2272
Epoch 2460800.5
nobs 3522
nopp 22
Years observed 1998-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.660
ep 0.104
sin(ip) 0.171
G 0.150
H 13.350
Mass
D 5.40 0.204
pV 0.349 0.0651
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 3.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6600 0.1040 0.1708 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.40 0.204 0.204 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.349 0.0651 0.0651 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
13.35 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
L 0.500 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT