1991 NE1

1991NE1, 07941, J91N01E

All data for this body: [vot]

MPC data
Name (number) 1991 NE1 (7941)
a 3.17704
e 0.04348
i / sin(i) 8.5483 / 0.14864
q 3.03889
Q 3.31519
ω 86.6578
Node 304.3719
m 278.8157
n 0.1740
Epoch 2460800.5
nobs 3371
nopp 30
Years observed 1953-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.174
ep 0.034
sin(ip) 0.169
G 0.150
H 12.880
Mass
D 14.59 0.242
pV 0.069 0.0111
Value
Rotational Period 0.800
Period quality
Spectral Class C
Spectral Class Score 6.582
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1739 0.0339 0.1693 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.58 0.242 0.242 Masiero 2011ApJ...741...68M NEATM
21.61 5.980 5.980 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0890 0.0890 Masiero 2012ApJ...759L...8M NEATM
0.070 0.0112 0.0112 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
12.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
0.88 Synodic Erasmus 2018ApJS..237...19E Lightcurve
0.88 Synodic Erasmus 2019ApJS..242...15E Lightcurve
57.463 2 Sidereal Durech 2019A&A...631A...2D Model
57.468 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
B 0.293 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C X 0.543000 0.450000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
C X 0.554000 0.438000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT