1999 LA1

1999LA1, 1981 YL, 1981YL, 31790, J81Y00L, J99L01A

All data for this body: [vot]

MPC data
Name (number) 1999 LA1 (31790)
a 2.59538
e 0.10071
i / sin(i) 13.9136 / 0.24046
q 2.33400
Q 2.85676
ω 137.3483
Node 41.8552
m 61.4370
n 0.2357
Epoch 2460800.5
nobs 4261
nopp 22
Years observed 1981-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.596
ep 0.144
sin(ip) 0.230
G 0.150
H 12.970
Mass
D
pV
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
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.7100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5961 0.1445 0.2299 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
12.97 MPC-2023-12-04 MPC-2023-12-04 Phot