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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .559522492169834 1.5823e-07  
a 2.724446901196466 3.2303e-08 AU
q 1.200057581254638 4.326e-07 AU
i 16.33159121426359 3.4823e-05 deg
node 308.5430515535983 4.8434e-05 deg
peri 337.9145370846525 7.6741e-05 deg
M 354.0327243015947 3.36e-05 deg
tp 2456827.726358052613
(2014-Jun-19.22635805)
0.00015376 JED
period 1642.539978764508
4.50
2.9213e-05
7.998e-08
d
yr
n .2191727474851396 3.898e-09 deg/d
Q 4.248836221138295 5.0378e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      105  
   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      .62204  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:20:13  

Additional Information
 Earth MOID = .200612 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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