2001 AT4

2001AT4, 1998 HH140, 1998HH140, 42078, J98HE0H, K01A04T

All data for this body: [vot]

MPC data
Name (number) 2001 AT4 (42078)
a 2.52833
e 0.20583
i / sin(i) 8.8232 / 0.15339
q 2.00792
Q 3.04874
ω 231.7431
Node 148.5432
m 90.5399
n 0.2452
Epoch 2460800.5
nobs 1312
nopp 20
Years observed 1998-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.529
ep 0.142
sin(ip) 0.144
G 0.150
H 14.900
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.874
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5286 0.1416 0.1440 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
14.90 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 0.979 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT