1990 EL8

1990EL8, 11877, 1991 PJ14, 1991PJ14, 1995 TU2, 1995TU2, J90E08L, J91P14J, J95T02U

All data for this body: [vot]

MPC data
Name (number) 1990 EL8 (11877)
a 2.38158
e 0.03736
i / sin(i) 4.2103 / 0.07342
q 2.29262
Q 2.47055
ω 288.1621
Node 352.2384
m 99.9174
n 0.2682
Epoch 2460800.5
nobs 5836
nopp 25
Years observed 1986-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.037
sin(ip) 0.073
G 0.150
H 13.770
Mass
D 5.05 0.730
pV 0.303 0.0680
Value
Rotational Period 3.050
Period quality 2
Spectral Class S
Spectral Class Score 42.043
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3822 0.0375 0.0733 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.05 0.730 0.730 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.303 0.0680 0.0680 Masiero 2012ApJ...759L...8M 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
13.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.057 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.05717 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
A S 0.3255 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K S 0.4145 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.1229 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5079 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6006 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6576 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8630 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9535 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9792 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9908 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9984 0.6250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SA 0.39 Bus VIS Carvano 2010A&A...510A..43C PHOT