1999 SL

1999SL, 1957 WO, 1957WO, 40716, J57W00O, J99S00L

All data for this body: [vot]

MPC data
Name (number) 1999 SL (40716)
a 2.80098
e 0.22647
i / sin(i) 8.6533 / 0.15046
q 2.16664
Q 3.43532
ω 11.6617
Node 30.2874
m 150.5542
n 0.2103
Epoch 2460800.5
nobs 2794
nopp 20
Years observed 1957-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.801
ep 0.198
sin(ip) 0.138
G 0.150
H 13.690
Mass
D 10.81 0.034
pV 0.042 0.0038
Value
Rotational Period 11.700
Period quality 2
Spectral Class L
Spectral Class Score 2.712
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8015 0.1978 0.1384 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.81 0.034 0.034 Masiero 2011ApJ...741...68M NEATM
9.22 2.580 2.580 Masiero 2021PSJ.....2..162M NEATM
9.50 3.010 3.010 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0038 0.0038 Masiero 2011ApJ...741...68M NEATM
0.052 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.054 0.0240 0.0430 Masiero 2021PSJ.....2..162M 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.704 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.452 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT