1999 XJ20

1999XJ20, 13835, 1975 VC4, 1975VC4, 1982 KH, 1982KH, 1985 YS1, 1985YS1, 1997 ET58, 1997ET58, 1998 MP29, 1998MP29, J75V04C, J82K00H, J85Y01S, J97E58T, J98M29P, J99X20J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ20 (13835)
a 2.84409
e 0.05940
i / sin(i) 3.0470 / 0.05316
q 2.67514
Q 3.01304
ω 248.3244
Node 68.3214
m 187.3290
n 0.2055
Epoch 2460800.5
nobs 3575
nopp 26
Years observed 1975-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.845
ep 0.045
sin(ip) 0.037
G 0.150
H 13.480
Mass
D 5.48 0.383
pV 0.309 0.0598
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
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8455 0.0451 0.0368 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.48 0.383 0.383 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.309 0.0598 0.0598 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
13.48 MPC-2023-12-04 MPC-2023-12-04 Phot