1998 HF144

1998HF144, 1990 OL3, 1990OL3, 1999 RA172, 1999RA172, 37985, J90O03L, J98HE4F, J99RH2A

All data for this body: [vot]

MPC data
Name (number) 1998 HF144 (37985)
a 2.68156
e 0.09693
i / sin(i) 7.3004 / 0.12707
q 2.42163
Q 2.94149
ω 140.2182
Node 145.4691
m 355.7138
n 0.2245
Epoch 2460800.5
nobs 1378
nopp 22
Years observed 1990-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.681
ep 0.101
sin(ip) 0.117
G 0.150
H 15.310
Mass
D 5.00 0.244
pV 0.071 0.0110
Value
Rotational Period 9.215
Period quality 2
Spectral Class C
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6811 0.1013 0.1168 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.00 0.244 0.244 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0110 0.0110 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
15.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.21507 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V X 0.0113 0.0590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.0592 0.0590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT