1981 EA29

1981EA29, 27691, J81E29A

All data for this body: [vot]

MPC data
Name (number) 1981 EA29 (27691)
a 2.72469
e 0.21125
i / sin(i) 8.4535 / 0.14701
q 2.14911
Q 3.30027
ω 203.4837
Node 194.0618
m 52.7060
n 0.2191
Epoch 2460800.5
nobs 2540
nopp 22
Years observed 1978-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.725
ep 0.176
sin(ip) 0.146
G 0.150
H 14.410
Mass
D 7.97 0.530
pV 0.055 0.0153
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7251 0.1762 0.1461 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.94 1.550 1.550 Masiero 2021PSJ.....2..162M NEATM
6.26 1.580 1.580 Nugent 2016AJ....152...63N NEATM
6.38 1.891 1.891 Masiero 2017AJ....154..168M NEATM
8.73 0.680 0.680 Usui 2011PASJ...63.1117U NEATM
9.12 1.820 1.820 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.086 0.0447 0.0447 Masiero 2017AJ....154..168M NEATM
0.095 0.0430 0.0790 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
14.41 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
B 0.110 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT