1999 XW123

1999XW123, 1998 QQ66, 1998QQ66, 43161, J98Q66Q, J99XC3W

All data for this body: [vot]

MPC data
Name (number) 1999 XW123 (43161)
a 2.68959
e 0.11069
i / sin(i) 11.3623 / 0.19701
q 2.39187
Q 2.98731
ω 259.9599
Node 271.1486
m 38.4136
n 0.2234
Epoch 2460200.5
nobs 2862
nopp 20
Years observed 1998-2023
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.689
ep 0.142
sin(ip) 0.220
Value Standard error
G 0.150
H 14.130
Mass
D 4.46 0.165
pV 0.323 0.0391
Rotational Period 122.720
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.4300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6895 0.1416 0.2195 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.42 0.203 0.203 Masiero 2011ApJ...741...68M NEATM
4.54 0.282 0.282 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.311 0.0655 0.0655 Masiero 2011ApJ...741...68M NEATM
0.329 0.0487 0.0487 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
14.13 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
122.72 Pal 2020ApJS..247...26P Lightcurve