1999 LQ9

1999LQ9, 40318, J99L09Q

All data for this body: [vot]

MPC data
Name (number) 1999 LQ9 (40318)
a 2.57292
e 0.16762
i / sin(i) 15.0612 / 0.25985
q 2.14165
Q 3.00418
ω 205.2650
Node 96.8945
m 61.1602
n 0.2388
Epoch 2460800.5
nobs 1121
nopp 21
Years observed 1996-2024
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.574
ep 0.148
sin(ip) 0.236
G 0.150
H 14.920
Mass
D 3.43 0.483
pV 0.180 0.0466
Value
Rotational Period 4.984
Period quality 2
Spectral Class X
Spectral Class Score 1.099
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 -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5743 0.1483 0.2362 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.43 0.483 0.483 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.0466 0.0466 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
14.92 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.98434 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D X 0.0376 0.1800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.1832 0.1800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT