Etrepigny

07647, 1989 SR2, 1989SR2, 1993 OG3, 1993OG3, J89S02R, J93O03G

All data for this body: [vot]

MPC data
Name (number) Etrepigny (7647)
a 2.89695
e 0.04476
i / sin(i) 3.3731 / 0.05884
q 2.76729
Q 3.02660
ω 340.6091
Node 99.3191
m 22.5826
n 0.1999
Epoch 2460800.5
nobs 3920
nopp 29
Years observed 1954-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.895
ep 0.048
sin(ip) 0.039
G 0.150
H 13.320
Mass
D 7.00 0.213
pV 0.227 0.0501
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.754
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.2700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8952 0.0478 0.0386 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.00 0.213 0.213 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.227 0.0501 0.0501 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
13.32 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
L S 0.5733 0.8380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9871 0.8380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9986 0.8380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT