1999 LL31

1999LL31, 2000 YA35, 2000YA35, 47143, J99L31L, K00Y35A

All data for this body: [vot]

MPC data
Name (number) 1999 LL31 (47143)
a 1.92349
e 0.11197
i / sin(i) 24.0144 / 0.40697
q 1.70812
Q 2.13886
ω 265.3870
Node 143.5762
m 129.5155
n 0.3695
Epoch 2460800.5
nobs 4672
nopp 19
Years observed 1978-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.924
ep 0.078
sin(ip) 0.369
G 0.150
H 14.770
Mass
D
pV
Value
Rotational Period 3.300
Period quality 3-
Spectral Class X
Spectral Class Score 6.583
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria -1.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9237 0.0783 0.3694 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
14.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.312 2+ Synodic Stephens 2016MPBu...43...52S Lightcurve
3.32 3- Synodic Warner 2012MPBu...39..245W Lightcurve
3.326 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.32601 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Bk Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.87 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.1615 0.4190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1951 0.4190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4506 0.4190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT