1997 HH7

1997HH7, 1999 TM140, 1999TM140, 58556, J97H07H, J99TE0M

All data for this body: [vot]

MPC data
Name (number) 1997 HH7 (58556)
a 3.20028
e 0.14848
i / sin(i) 4.4371 / 0.07736
q 2.72510
Q 3.67545
ω 50.8842
Node 220.0487
m 266.3074
n 0.1722
Epoch 2460800.5
nobs 1138
nopp 21
Years observed 1997-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.213
ep 0.148
sin(ip) 0.089
G 0.150
H 14.780
Mass
D 7.05 0.575
pV 0.056 0.0082
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.846
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2128 0.1479 0.0887 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.05 0.575 0.575 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.056 0.0082 0.0082 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
14.78 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 0.26 Bus VIS Carvano 2010A&A...510A..43C PHOT
C X 0.2210 0.3200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3665 0.3200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT