1991 EN2

1991EN2, 09042, 1994 VF7, 1994VF7, J91E02N, J94V07F

All data for this body: [vot]

MPC data
Name (number) 1991 EN2 (9042)
a 2.93242
e 0.09348
i / sin(i) 1.4320 / 0.02499
q 2.65829
Q 3.20655
ω 183.8926
Node 206.5563
m 52.4985
n 0.1963
Epoch 2460800.5
nobs 4521
nopp 26
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.930
ep 0.056
sin(ip) 0.037
G 0.150
H 13.020
Mass
D 6.90 0.192
pV 0.308 0.0526
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 1.140
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 0.8100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9302 0.0560 0.0369 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.90 0.192 0.192 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.308 0.0526 0.0526 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
13.02 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
K 0.190 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT