IRTF

07158, 1981 ES8, 1981ES8, 1983 RO5, 1983RO5, J81E08S, J83R05O

All data for this body: [vot]

MPC data
Name (number) IRTF (7158)
a 3.01742
e 0.10317
i / sin(i) 9.6448 / 0.16754
q 2.70612
Q 3.32873
ω 160.1757
Node 206.9150
m 321.1018
n 0.1880
Epoch 2460800.5
nobs 3822
nopp 33
Years observed 1951-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.016
ep 0.073
sin(ip) 0.174
G 0.150
H 12.820
Mass
D 10.12 2.130
pV 0.179 0.1900
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 8.771
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 -0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0160 0.0726 0.1741 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.12 2.130 2.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.179 0.1900 0.1900 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
12.82 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.202 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.78 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4987 0.5000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5011 0.5000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT