2001 ET21

2001ET21, 1999 TF108, 1999TF108, 72580, J99TA8F, K01E21T

All data for this body: [vot]

MPC data
Name (number) 2001 ET21 (72580)
a 2.43463
e 0.11953
i / sin(i) 5.6483 / 0.09842
q 2.14363
Q 2.72563
ω 123.9676
Node 296.3219
m 217.0736
n 0.2595
Epoch 2460800.5
nobs 1421
nopp 19
Years observed 1996-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.434
ep 0.115
sin(ip) 0.112
G 0.150
H 15.620
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 2.999
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4343 0.1145 0.1123 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
15.62 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
SQ 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.4999 0.4999 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT