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359318 (2009 JS12)
Classification: Main-belt Asteroid          SPK-ID: 2359318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928755755277897 1.0279e-07  
a 2.535300408606714 2.2122e-08 au
q 2.046302883160854 2.6569e-07 au
i 6.342905711723352 1.0522e-05 deg
node 85.04117453753943 9.5021e-05 deg
peri 181.2007522726932 9.9105e-05 deg
M 292.5330063757516 3.3949e-05 deg
tp 2459476.832154959617
(2021-Sep-19.33215496)
0.00014086 TDB
period 1474.492495389745
4.04
1.9299e-05
5.284e-08
d
yr
n .2441518021458923 3.1956e-09 deg/d
Q 3.024297934052574 2.6389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5704 days (15.62 yr)  
   first obs. used      2005-05-15  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:19:34  

Additional Information
 Earth MOID = 1.02865 au 
 Jupiter MOID = 2.06448 au 
 T_jup = 3.414 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO460414  

359318 (2009 JS12)          Discovered 2009-May-14 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1983-May-26 13:18 00:02 Thisb 0.0433354753725618 0.043328230347501 0.0433427212389133 3.95273000588448 3.95272996607981 2445481.054406191 1.77165795926127 486.704742268799 139.583619542469 44.4145427534399 33847.9956922653 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 16:19:35 2021-Feb-24 16:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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