1999 XD156

1999XD156, 53459, J99XF6D

All data for this body: [vot]

MPC data
Name (number) 1999 XD156 (53459)
a 2.21043
e 0.10827
i / sin(i) 6.9875 / 0.12165
q 1.97109
Q 2.44976
ω 147.0696
Node 101.6865
m 95.3004
n 0.2999
Epoch 2460800.5
nobs 2691
nopp 20
Years observed 1998-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.211
ep 0.117
sin(ip) 0.114
G 0.150
H 15.360
Mass
D 2.17 0.400
pV 0.216 0.0786
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 0.666
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2109 0.1171 0.1140 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.17 0.400 0.400 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.216 0.0786 0.0786 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
15.36 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 0.111 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT