1998 HG137

1998HG137, 1999 NY7, 1999NY7, 2000 VW36, 2000VW36, 40021, J98HD7G, J99N07Y, K00V36W

All data for this body: [vot]

MPC data
Name (number) 1998 HG137 (40021)
a 2.35822
e 0.07067
i / sin(i) 7.0275 / 0.12234
q 2.19158
Q 2.52487
ω 303.8630
Node 147.1345
m 267.6159
n 0.2722
Epoch 2460800.5
nobs 2183
nopp 20
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.358
ep 0.094
sin(ip) 0.119
G 0.150
H 15.360
Mass
D
pV
Value
Rotational Period 13.250
Period quality 2
Spectral Class S
Spectral Class Score 4.110
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3585 0.0940 0.1187 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.251 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.685 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT