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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928755817322358 1.0225e-07  
a 2.53530041614953 2.0133e-08 au
q 2.04630287351871 2.649e-07 au
i 6.342906413325463 9.9725e-06 deg
node 85.04117219596566 9.3495e-05 deg
peri 181.2007536270046 9.7831e-05 deg
M 292.533005343126 3.3747e-05 deg
tp 2459476.832160422238
(2021-Sep-19.33216042)		 0.00013988 TDB
period 1474.492501969927
4.04		 1.7563e-05
4.808e-08		 d
yr
n .244151801056322 2.9082e-09 deg/d
Q 3.02429795878035 2.4016e-08 au
   Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      5783 days (15.83 yr)  
   first obs. used      2005-05-15  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:27:38  

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 17.03   n/a MPCxxxxx  

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

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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