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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5595224221566276 1.8332e-07  
a 2.724446893435423 1.9683e-08 AU
q 1.200057768583336 5.0029e-07 AU
i 16.33162263943748 3.2181e-05 deg
node 308.5430886829453 4.2998e-05 deg
peri 337.9144712477345 6.4498e-05 deg
M 354.0327411383756 2.2745e-05 deg
tp 2456827.726281116592
(2014-Jun-19.22628112)
0.00010404 JED
period 1642.539971745933
4.50
1.78e-05
4.873e-08
d
yr
n .2191727484216649 2.3751e-09 deg/d
Q 4.248836018287511 3.0696e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      9858 days (26.99 yr)  
   first obs. used      1987-08-01  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5969  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-29 05:47:02  

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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