1998 HC122

1998HC122, 19485, 1992 CT4, 1992CT4, 1999 NL10, 1999NL10, J92C04T, J98HC2C, J99N10L

All data for this body: [vot]

MPC data
Name (number) 1998 HC122 (19485)
a 2.97924
e 0.07328
i / sin(i) 11.2805 / 0.19561
q 2.76091
Q 3.19756
ω 158.9066
Node 127.7149
m 30.0551
n 0.1917
Epoch 2460800.5
nobs 3916
nopp 25
Years observed 1992-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.980
ep 0.073
sin(ip) 0.178
G 0.150
H 12.940
Mass
D 10.42 0.248
pV 0.163 0.0391
Value
Rotational Period 146.490
Period quality 2
Spectral Class S
Spectral Class Score 13.014
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.8800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9798 0.0734 0.1782 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.42 0.248 0.248 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.163 0.0391 0.0391 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
12.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
0.97 Synodic Erasmus 2018ApJS..237...19E Lightcurve
0.97 Synodic Erasmus 2019ApJS..242...15E Lightcurve
146.496 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.6696 0.3590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S D 0.588000 0.393000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
S D 0.592000 0.389000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
S L 0.3008 0.3590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S L 0.3549 0.3590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.914 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT