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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5594302292500803 1.712e-07  
a 2.72377454699566 1.354e-08 AU
q 1.200012727744344 4.672e-07 AU
i 16.33182935700187 2.2068e-05 deg
node 308.5418303482809 3.7162e-05 deg
peri 337.9088745686867 5.7767e-05 deg
M 37.88313017002125 1.8598e-05 deg
tp 2456827.717991494986
(2014-Jun-19.21799150)
8.3779e-05 JED
period 1641.931983514612
4.50
1.2244e-05
3.352e-08
d
yr
n .2192539055298793 1.6349e-09 deg/d
Q 4.247536366246976 2.1115e-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-Oct-13 05:46:58  

Additional Information
 Earth MOID = .202408 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 18.3 mag n/a MPO309207  

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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