1999 XO161

1999XO161, 1998 QP64, 1998QP64, 43168, J98Q64P, J99XG1O

All data for this body: [vot]

MPC data
Name (number) 1999 XO161 (43168)
a 2.69454
e 0.15442
i / sin(i) 11.6331 / 0.20164
q 2.27846
Q 3.11063
ω 32.2071
Node 264.5934
m 30.4973
n 0.2228
Epoch 2460800.5
nobs 2600
nopp 22
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.695
ep 0.144
sin(ip) 0.216
G 0.150
H 14.220
Mass
D 4.14 0.984
pV 0.312 0.1319
Value
Rotational Period 3.028
Period quality 2
Spectral Class X
Spectral Class Score 3.438
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.4400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6948 0.1440 0.2158 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.14 0.984 0.984 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.312 0.1319 0.1319 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.02778 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.21 Bus VIS Carvano 2010A&A...510A..43C PHOT
A A 0.4228 0.4228 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.573 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT