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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5594302474196381 1.8019e-07  
a 2.723774546852353 1.3716e-08 AU
q 1.200012678191428 4.9163e-07 AU
i 16.33182320591623 2.7891e-05 deg
node 308.5418238003614 4.143e-05 deg
peri 337.908884639979 6.1212e-05 deg
M 37.88312833288013 1.9294e-05 deg
tp 2456827.717999887679
(2014-Jun-19.21799989)
8.6963e-05 JED
period 1641.93198338503
4.50
1.2402e-05
3.395e-08
d
yr
n .2192539055471829 1.6561e-09 deg/d
Q 4.247536415513277 2.1389e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      9912 days (27.14 yr)  
   first obs. used      1987-08-01  
   last obs. used      2014-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-20 06:47:43  

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 18.2 mag n/a MPO302109  

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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