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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929044489062309 1.0516e-07  
a 2.53571547210888 2.241e-08 au
q 2.046564676378714 2.7109e-07 au
i 6.343089358129263 1.1011e-05 deg
node 85.04536466241508 9.776e-05 deg
peri 181.1461432396743 0.00010178 deg
M 243.7681464454953 3.3834e-05 deg
tp 2459476.680789276892
(2021-Sep-19.18078928)
0.00014156 TDB
period 1474.854602222227
4.04
1.9552e-05
5.353e-08
d
yr
n .2440918579076016 3.2359e-09 deg/d
Q 3.024866267839047 2.6733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      5347 days (14.64 yr)  
   first obs. used      2005-05-15  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 08:46:27  

Additional Information
 Earth MOID = 1.03068 au 
 Jupiter MOID = 2.0647 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 12 CATAB v2.0f-lin.ifort 2020-Jan-30 08:46:44 2020-Jan-30 08:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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