1998 HH61

1998HH61, J98H61H, K7998

All data for this body: [vot]

MPC data
Name (number) 1998 HH61 (207998)
a 3.18732
e 0.14129
i / sin(i) 17.8277 / 0.30616
q 2.73698
Q 3.63765
ω 130.8065
Node 28.2402
m 319.1557
n 0.1732
Epoch 2460800.5
nobs 765
nopp 19
Years observed 1998-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.181
ep 0.176
sin(ip) 0.297
G 0.150
H 15.180
Mass
D 5.27 1.401
pV 0.076 0.0388
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.083
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1810 0.1761 0.2974 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.27 1.401 1.401 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0388 0.0388 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
15.18 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 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.2671 0.2610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.0228 0.2610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT