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JPL Small-Body Database Browser
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(2012 SJ32)
Classification: Apollo [NEO]          SPK-ID: 3609119
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2456194.5 (2012-Sep-24.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3679001711989628 0.00090972  
a 1.474380126167183 0.001955 au
q .9319554253379282 0.00010607 au
i 2.097166547206646 0.0043523 deg
node 175.6697165933235 0.0015401 deg
peri 236.9301728238152 0.0044294 deg
M 336.8092430137132 0.056829 deg
tp 2456236.623558610953
(2012-Nov-05.12355861)
0.019516 TDB
period 653.9019450253453
1.79
1.3006
0.003561
d
yr
n .5505412588825476 0.001095 deg/d
Q 2.016804826996438 0.0026743 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      4 days  
   first obs. used      2012-09-22  
   last obs. used      2012-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .31551  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:52  

Additional Information
 Earth MOID = .00939769 au 
 Jupiter MOID = 3.37084 au 
 T_jup = 4.518 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.1   n/a MPO240112  

[ 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
2012-Sep-28 04:41 < 00:01 Earth 0.0295830221997816 0.0293813434567933 0.0297846932653758 8.07448779000373 8.06332545306349 2456198.695317721 0.814705704638591 10028.555465729 18.1235959346625 0.0432589985142317 264.401353670678 T 6 CATAB v2.0e-lin.ifort 2017-Nov-29 07:04:29 2018-Dec-11 15:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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