Jeffhall

2000 EC81, 2000EC81, 2001 JH7, 2001JH7, 46277, K00E81C, K01J07H

All data for this body: [vot]

MPC data
Name (number) Jeffhall (46277)
a 3.23760
e 0.12040
i / sin(i) 6.1251 / 0.10670
q 2.84780
Q 3.62741
ω 223.8307
Node 125.8005
m 291.3623
n 0.1692
Epoch 2460800.5
nobs 1526
nopp 24
Years observed 1995-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.235
ep 0.099
sin(ip) 0.088
G 0.150
H 14.220
Mass
D 8.39 0.687
pV 0.057 0.0139
Value
Rotational Period 3.984
Period quality 2
Spectral Class C
Spectral Class Score 3.889
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2350 0.0994 0.0880 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.39 0.687 0.687 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0139 0.0139 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.9848 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.43 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.5048 0.4200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.4025 0.4200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT