2001 EP21

2001EP21, 1997 NG8, 1997NG8, F8127, J97N08G, K01E21P

All data for this body: [vot]

MPC data
Name (number) 2001 EP21 (158127)
a 3.03317
e 0.17239
i / sin(i) 10.4106 / 0.18070
q 2.51028
Q 3.55607
ω 57.3201
Node 193.8274
m 138.2217
n 0.1866
Epoch 2460800.5
nobs 921
nopp 18
Years observed 1997-2024
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.036
ep 0.191
sin(ip) 0.185
G 0.150
H 14.860
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.728
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0364 0.1907 0.1847 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
14.86 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
S 0.788 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.2096 0.2096 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT