1990 SL

1990SL, 07761, J90S00L

All data for this body: [vot]

MPC data
Name (number) 1990 SL (7761)
a 2.36261
e 0.28498
i / sin(i) 24.7863 / 0.41924
q 1.68931
Q 3.03591
ω 223.2161
Node 76.8677
m 215.3479
n 0.2714
Epoch 2460800.5
nobs 3416
nopp 25
Years observed 1983-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.364
ep 0.305
sin(ip) 0.399
G 0.150
H 14.100
Mass
D 4.62 0.343
pV 0.309 0.0732
Value
Rotational Period 2.952
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3635 0.3051 0.3989 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.51 0.760 0.760 Nugent 2016AJ....152...63N NEATM
4.91 0.385 0.385 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.320 0.0859 0.0859 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
14.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.9525 3 Synodic Clark 2019MPBu...46..346C Lightcurve
2.9529 3 Synodic Behrend LCDB Lightcurve