1981 EA15

1981EA15, 1999 RH229, 1999RH229, 35025, J81E15A, J99RM9H

All data for this body: [vot]

MPC data
Name (number) 1981 EA15 (35025)
a 3.11198
e 0.04697
i / sin(i) 9.8687 / 0.17139
q 2.96580
Q 3.25816
ω 279.5786
Node 333.3924
m 304.1813
n 0.1795
Epoch 2460800.5
nobs 1124
nopp 21
Years observed 1981-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.114
ep 0.064
sin(ip) 0.185
G 0.150
H 14.460
Mass
D 4.54 1.342
pV 0.179 0.1196
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.745
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 0.9000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1135 0.0643 0.1851 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.54 1.342 1.342 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.179 0.1196 0.1196 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
14.46 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 S 0.6242 0.6242 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT