1997 HA9

1997HA9, 39778, J97H09A

All data for this body: [vot]

MPC data
Name (number) 1997 HA9 (39778)
a 3.16369
e 0.27509
i / sin(i) 11.0245 / 0.19123
q 2.29339
Q 4.03399
ω 291.3917
Node 35.1742
m 282.6470
n 0.1752
Epoch 2460800.5
nobs 1196
nopp 21
Years observed 1997-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.175
ep 0.234
sin(ip) 0.195
G 0.150
H 14.390
Mass
D 6.87 2.320
pV 0.060 0.0700
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 8.272
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1752 0.2339 0.1945 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.87 2.320 2.320 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N 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
14.39 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.722 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.6938 0.6938 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT