1981 EJ29

1981EJ29, 1992 HK7, 1992HK7, 1994 TN17, 1994TN17, 39499, J81E29J, J92H07K, J94T17N

All data for this body: [vot]

MPC data
Name (number) 1981 EJ29 (39499)
a 3.01653
e 0.04642
i / sin(i) 9.6870 / 0.16827
q 2.87651
Q 3.15655
ω 287.5479
Node 197.2396
m 200.9181
n 0.1881
Epoch 2460800.5
nobs 1749
nopp 25
Years observed 1981-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.017
ep 0.072
sin(ip) 0.176
G 0.150
H 14.140
Mass
D 5.60 1.070
pV 0.170 0.0830
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.613
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.1000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0171 0.0720 0.1759 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.60 1.070 1.070 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0830 0.0830 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
14.14 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.682 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1935 0.1935 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT