Semenkovich

18015, 1996 PE1, 1996PE1, 1999 JD121, 1999JD121, J96P01E, J99JC1D

All data for this body: [vot]

MPC data
Name (number) Semenkovich (18015)
a 2.35195
e 0.04591
i / sin(i) 6.2993 / 0.10972
q 2.24396
Q 2.45993
ω 336.5802
Node 190.4772
m 142.4507
n 0.2733
Epoch 2460800.5
nobs 2978
nopp 22
Years observed 1994-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.352
ep 0.088
sin(ip) 0.115
G 0.150
H 14.750
Mass
D
pV
Value
Rotational Period 23.900
Period quality 2-
Spectral Class V
Spectral Class Score 10.331
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
2.3519 0.0884 0.1154 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
14.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.907 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S V 0.6715 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.3564 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.9988 0.6960 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT