2001 NE21

2001NE21, 1996 KN3, 1996KN3, A8663, J96K03N, K01N21E

All data for this body: [vot]

MPC data
Name (number) 2001 NE21 (108663)
a 2.47776
e 0.24589
i / sin(i) 3.5440 / 0.06182
q 1.86851
Q 3.08700
ω 221.5379
Node 166.4132
m 358.6345
n 0.2527
Epoch 2460800.5
nobs 698
nopp 16
Years observed 1996-2023
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.479
ep 0.175
sin(ip) 0.052
G 0.150
H 16.310
Mass
D 1.49 0.153
pV 0.347 0.0545
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 28.643
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4794 0.1749 0.0523 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.49 0.153 0.153 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.347 0.0545 0.0545 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
16.31 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.82 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.4571 0.5590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5259 0.5590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8748 0.5590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9802 0.5590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9959 0.5590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT