2001 EM1

2001EM1, 42231, K01E01M

All data for this body: [vot]

MPC data
Name (number) 2001 EM1 (42231)
a 3.02958
e 0.02471
i / sin(i) 11.1551 / 0.19347
q 2.95471
Q 3.10445
ω 317.9902
Node 113.4170
m 289.1535
n 0.1869
Epoch 2460800.5
nobs 1548
nopp 25
Years observed 1977-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.031
ep 0.037
sin(ip) 0.174
G 0.150
H 14.350
Mass
D
pV
Value
Rotational Period 41.620
Period quality 2
Spectral Class S
Spectral Class Score 5.581
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0312 0.0368 0.1743 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.35 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
41.627 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 0.605 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D S 0.3338 0.5040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9302 0.5040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X S 0.4078 0.5040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
XD 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT