1998 XR20

1998XR20, 2000 GK60, 2000GK60, 49388, J98X20R, K00G60K

All data for this body: [vot]

MPC data
Name (number) 1998 XR20 (49388)
a 2.89956
e 0.06044
i / sin(i) 1.0364 / 0.01809
q 2.72430
Q 3.07482
ω 205.7198
Node 231.9522
m 32.3757
n 0.1996
Epoch 2460200.5
nobs 2257
nopp 21
Years observed 1997-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.900
ep 0.063
sin(ip) 0.035
Value Standard error
G 0.150
H 14.450
Mass
D 3.97 0.657
pV 0.225 0.0725
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis 0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9004 0.0628 0.0355 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.92 0.795 0.795 Masiero 2011ApJ...741...68M NEATM
4.10 1.169 1.169 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.220 0.0825 0.0825 Masiero 2011ApJ...741...68M NEATM
0.240 0.1519 0.1519 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
14.45 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
48.12 Erasmus 2020ApJS..247...13E Lightcurve