1999 XG189

1999XG189, A3123, J99XI9G

All data for this body: [vot]

MPC data
Name (number) 1999 XG189 (103123)
a 2.79035
e 0.22133
i / sin(i) 7.1140 / 0.12384
q 2.17277
Q 3.40794
ω 58.6990
Node 359.9712
m 176.8787
n 0.2115
Epoch 2460800.5
nobs 1350
nopp 17
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.789
ep 0.198
sin(ip) 0.133
G 0.150
H 15.110
Mass
D 6.27 0.233
pV 0.049 0.0115
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 10.929
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7887 0.1975 0.1334 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.27 0.233 0.233 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0115 0.0115 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
15.11 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
C 0.940 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.8815 0.5850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.6562 0.5850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT