2001 HF57

2001HF57, A8274, K01H57F

All data for this body: [vot]

MPC data
Name (number) 2001 HF57 (108274)
a 2.67588
e 0.16163
i / sin(i) 14.2499 / 0.24615
q 2.24338
Q 3.10839
ω 169.4248
Node 74.9771
m 145.0003
n 0.2252
Epoch 2460800.5
nobs 782
nopp 20
Years observed 1994-2024
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.677
ep 0.188
sin(ip) 0.222
G 0.150
H 15.490
Mass
D 2.18 0.580
pV 0.340 0.1842
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.353
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6766 0.1879 0.2220 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.18 0.580 0.580 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.340 0.1842 0.1842 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
15.49 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 0.400 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6588 0.6588 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT