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7236 (1987 PA)
Classification: Amor [NEO]          SPK-ID: 2007236
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5595224198834123 1.8484e-07  
a 2.724446893154775 2.8527e-08 AU
q 1.200057774652971 5.0568e-07 AU
i 16.3316218862326 3.2656e-05 deg
node 308.5430823724056 4.3939e-05 deg
peri 337.914476855402 7.28e-05 deg
M 354.0327414603484 3.0313e-05 deg
tp 2456827.726279643349
(2014-Jun-19.22627964)
0.00013871 JED
period 1642.539971492133
4.50
2.5798e-05
7.063e-08
d
yr
n .2191727484555308 3.4424e-09 deg/d
Q 4.24883601165658 4.4489e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6634 days (18.16 yr)  
   first obs. used      1987-08-01  
   last obs. used      2005-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:55:43  

Additional Information
 Earth MOID = .200613 AU 
 T_jup = 3.061 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4 mag n/a PDS3 (MPC 28116)  

7236 (1987 PA)          Discovered 1987-Aug-01 by Phinney, J. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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