1999 XK31

1999XK31, 43112, J99X31K

All data for this body: [vot]

MPC data
Name (number) 1999 XK31 (43112)
a 2.97489
e 0.07039
i / sin(i) 10.6228 / 0.18434
q 2.76549
Q 3.18429
ω 298.5437
Node 133.2503
m 244.3376
n 0.1921
Epoch 2460200.5
nobs 2327
nopp 20
Years observed 1998-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.977
ep 0.063
sin(ip) 0.170
Value Standard error
G 0.150
H 13.610
Mass
D 7.20 0.111
pV 0.196 0.0449
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.7700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9771 0.0626 0.1698 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.20 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.0449 0.0449 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
13.61 MPC-2023-12-04 MPC-2023-12-04 Phot