1981 EA27

1981EA27, 1999 LJ30, 1999LJ30, 35033, J81E27A, J99L30J

All data for this body: [vot]

MPC data
Name (number) 1981 EA27 (35033)
a 3.09362
e 0.19591
i / sin(i) 1.6685 / 0.02912
q 2.48755
Q 3.69970
ω 24.2269
Node 86.5418
m 106.8893
n 0.1811
Epoch 2460800.5
nobs 1002
nopp 20
Years observed 1981-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.080
ep 0.217
sin(ip) 0.010
G 0.150
H 15.220
Mass
D 6.65 1.631
pV 0.030 0.0444
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.862
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0804 0.2169 0.0102 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.65 1.631 1.631 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0444 0.0444 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
15.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.977 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT