1999 XA163

1999XA163, 1977 EH5, 1977EH5, 1995 QO2, 1995QO2, 49899, J77E05H, J95Q02O, J99XG3A

All data for this body: [vot]

MPC data
Name (number) 1999 XA163 (49899)
a 2.23462
e 0.07570
i / sin(i) 1.5485 / 0.02702
q 2.06545
Q 2.40380
ω 180.2891
Node 250.0643
m 243.1329
n 0.2951
Epoch 2460800.5
nobs 2642
nopp 21
Years observed 1977-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.235
ep 0.096
sin(ip) 0.041
G 0.150
H 15.290
Mass
D 2.06 0.083
pV 0.314 0.1460
Value
Rotational Period
Period quality None
Spectral Class Q
Spectral Class Score 2.610
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2345 0.0956 0.0407 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.06 0.083 0.083 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.314 0.1460 0.1460 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
15.29 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
Q 0.435 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT