1999 XG20

1999XG20, 2001 AG42, 2001AG42, 70969, J99X20G, K01A42G

All data for this body: [vot]

MPC data
Name (number) 1999 XG20 (70969)
a 2.60059
e 0.11463
i / sin(i) 13.1088 / 0.22680
q 2.30249
Q 2.89870
ω 99.1804
Node 52.6655
m 145.1201
n 0.2350
Epoch 2460200.5
nobs 1683
nopp 18
Years observed 1999-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.601
ep 0.151
sin(ip) 0.216
Value Standard error
G 0.150
H 14.650
Mass
D 3.06 0.617
pV 0.395 0.0770
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.3200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6009 0.1508 0.2158 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.06 0.617 0.617 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.395 0.0770 0.0770 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
14.65 MPC-2023-12-04 MPC-2023-12-04 Phot