1999 XA166

1999XA166, 19733, J99XG6A

All data for this body: [vot]

MPC data
Name (number) 1999 XA166 (19733)
a 2.68140
e 0.15127
i / sin(i) 12.5036 / 0.21650
q 2.27578
Q 3.08702
ω 8.6664
Node 280.5182
m 31.9579
n 0.2245
Epoch 2460800.5
nobs 3087
nopp 23
Years observed 1992-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.682
ep 0.149
sin(ip) 0.228
G 0.150
H 13.550
Mass
D 5.90 0.165
pV 0.266 0.0387
Value
Rotational Period 23.000
Period quality 2
Spectral Class L
Spectral Class Score 5.580
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
2.6816 0.1489 0.2281 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.90 0.165 0.165 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.266 0.0387 0.0387 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
13.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.3 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.930 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT