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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5594055173639092 1.7129e-07  
a 2.723002082897274 1.3911e-08 au
q 1.199739693931122 4.6741e-07 au
i 16.33233789948182 2.2068e-05 deg
node 308.5386923504628 3.7164e-05 deg
peri 337.8866392825968 5.778e-05 deg
M 125.6525472622219 1.9145e-05 deg
tp 2456827.652287017220
(2014-Jun-19.15228702)
8.3703e-05 JED
period 1641.233553693372
4.49
1.2577e-05
3.443e-08
d
yr
n .2193472094144487 1.6809e-09 deg/d
Q 4.246264471863426 2.1693e-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 = .199343 au 
 Jupiter MOID = 1.06239 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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