1997 JS12

1997JS12, 19360, 1977 RY18, 1977RY18, 1978 WS4, 1978WS4, 1999 RS228, 1999RS228, 1999 SZ21, 1999SZ21, J77R18Y, J78W04S, J97J12S, J99RM8S, J99S21Z

All data for this body: [vot]

MPC data
Name (number) 1997 JS12 (19360)
a 3.10437
e 0.11359
i / sin(i) 0.6681 / 0.01166
q 2.75176
Q 3.45699
ω 18.8353
Node 150.2982
m 82.9134
n 0.1802
Epoch 2460800.5
nobs 1723
nopp 27
Years observed 1977-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.105
ep 0.146
sin(ip) 0.017
G 0.150
H 14.540
Mass
D 6.84 0.346
pV 0.054 0.0119
Value
Rotational Period 1.000
Period quality
Spectral Class C
Spectral Class Score 11.284
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1047 0.1458 0.0174 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.84 0.346 0.346 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0119 0.0119 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
14.54 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.0 Synodic Erasmus 2018ApJS..237...19E Lightcurve
1.0 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.913 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.32 Bus VIS Carvano 2010A&A...510A..43C PHOT
C X 0.884000 0.115000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
C X 0.890000 0.109000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
X X 0.1474 0.1474 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT