Ehrenfreund

09826, 1993 VH2, 1993VH2, 2114 T-3, 2114T-3, J93V02H, T3S2114

All data for this body: [vot]

MPC data
Name (number) Ehrenfreund (9826)
a 2.99782
e 0.08955
i / sin(i) 8.9417 / 0.15543
q 2.72937
Q 3.26627
ω 114.9291
Node 215.4932
m 106.1623
n 0.1899
Epoch 2460800.5
nobs 3704
nopp 25
Years observed 1977-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.992
ep 0.063
sin(ip) 0.167
G 0.150
H 13.230
Mass
D 8.38 0.267
pV 0.191 0.0240
Value
Rotational Period 3.740
Period quality 2
Spectral Class X
Spectral Class Score 3.006
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 -0.5900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9924 0.0626 0.1665 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.38 0.267 0.267 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.191 0.0240 0.0240 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
13.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.748 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.501 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT