1999 XJ161

1999XJ161, 1998 RQ20, 1998RQ20, 71119, J98R20Q, J99XG1J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ161 (71119)
a 2.66593
e 0.18854
i / sin(i) 12.5686 / 0.21761
q 2.16331
Q 3.16856
ω 30.2946
Node 319.9277
m 30.7911
n 0.2264
Epoch 2460800.5
nobs 3592
nopp 22
Years observed 1998-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.666
ep 0.156
sin(ip) 0.226
G 0.150
H 13.680
Mass
D 5.86 0.216
pV 0.205 0.0306
Value
Rotational Period 42.940
Period quality 2
Spectral Class C
Spectral Class Score 1.788
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 0.2400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6659 0.1556 0.2262 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.81 0.343 0.343 Masiero 2011ApJ...741...68M NEATM
5.89 0.279 0.279 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.202 0.0416 0.0416 Masiero 2011ApJ...741...68M NEATM
0.208 0.0453 0.0453 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
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
42.9403 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
C 0.298 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT