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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5594661737040315 1.714e-07  
a 2.722778262605726 1.4186e-08 au
q 1.19947592618119 4.6775e-07 au
i 16.33353401197066 2.2069e-05 deg
node 308.5358479964092 3.7163e-05 deg
peri 337.8776091449106 5.7771e-05 deg
M 169.5536903734438 1.9412e-05 deg
tp 2456827.603065207057
(2014-Jun-19.10306521)
8.3569e-05 JED
period 1641.031203229057
4.49
1.2825e-05
3.511e-08
d
yr
n .2193742564380421 1.7144e-09 deg/d
Q 4.246080599030263 2.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      9934 days (27.20 yr)  
   first obs. used      1987-08-01  
   last obs. used      2014-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5214  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:03:51  

Additional Information
 Earth MOID = .200509 au 
 Jupiter MOID = 1.06373 au 
 T_jup = 3.062 
[ 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 18.3 mag n/a MPO309207  

7236 (1987 PA)          Discovered 1987-Aug-01 by Phinney, J. at Palomar
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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