1999 XN165

1999XN165, 1998 SX164, 1998SX164, 49904, J98SG4X, J99XG5N

All data for this body: [vot]

MPC data
Name (number) 1999 XN165 (49904)
a 2.47732
e 0.06775
i / sin(i) 10.6340 / 0.18454
q 2.30949
Q 2.64516
ω 66.9920
Node 82.0952
m 164.0311
n 0.2528
Epoch 2460800.5
nobs 3478
nopp 22
Years observed 1990-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.477
ep 0.096
sin(ip) 0.171
G 0.150
H 13.690
Mass
D 5.23 0.630
pV 0.282 0.0590
Value
Rotational Period 10.440
Period quality 2
Spectral Class S
Spectral Class Score 11.123
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4765 0.0963 0.1707 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.23 0.630 0.630 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.282 0.0590 0.0590 Masiero 2012ApJ...759L...8M 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.441 2 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.8632 0.9530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9906 0.9530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT