1999 XG66

1999XG66, F5573, J99X66G

All data for this body: [vot]

MPC data
Name (number) 1999 XG66 (155573)
a 3.18994
e 0.12688
i / sin(i) 6.0046 / 0.10461
q 2.78521
Q 3.59468
ω 14.1141
Node 71.2682
m 158.2215
n 0.1730
Epoch 2460800.5
nobs 675
nopp 17
Years observed 1996-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.178
ep 0.138
sin(ip) 0.086
G 0.150
H 15.310
Mass
D 4.22 0.623
pV 0.091 0.0275
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1782 0.1375 0.0860 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.22 0.623 0.623 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.091 0.0275 0.0275 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
15.31 MPC-2023-12-04 MPC-2023-12-04 Phot