1990 EA7

1990EA7, 08841, 1974 FC2, 1974FC2, 1978 EW2, 1978EW2, 1978 GV, 1978GV, 1988 XP3, 1988XP3, 1994 CU1, 1994CU1, J74F02C, J78E02W, J78G00V, J88X03P, J90E07A, J94C01U

All data for this body: [vot]

MPC data
Name (number) 1990 EA7 (8841)
a 2.54649
e 0.04528
i / sin(i) 9.3056 / 0.16170
q 2.43118
Q 2.66180
ω 289.3708
Node 350.9960
m 120.3737
n 0.2425
Epoch 2460800.5
nobs 6832
nopp 25
Years observed 1953-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.547
ep 0.055
sin(ip) 0.167
G 0.150
H 13.630
Mass
D 5.55 0.151
pV 0.300 0.0375
Value
Rotational Period 27.162
Period quality 2
Spectral Class S
Spectral Class Score 11.869
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5467 0.0547 0.1674 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.55 0.151 0.151 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.300 0.0375 0.0375 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
13.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
27.1625 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
S S 0.9840 0.9880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9941 0.9880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT