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90919 (1997 PA5)
Classification: Main-belt Asteroid          SPK-ID: 2090919
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917066389777396 6.0121e-08  
a 2.273048088560344 1.6228e-08 AU
q 1.837289679267665 1.4255e-07 AU
i 3.938915156321312 6.1099e-06 deg
node 309.5309946122684 9.1222e-05 deg
peri 101.5729717325501 9.3138e-05 deg
M 323.5972468786621 1.7777e-05 deg
tp 2457127.073588232115
(2015-Apr-14.57358823)
6.231e-05 JED
period 1251.732021797332
3.43
1.3405e-05
3.67e-08
d
yr
n .2876014943542666 3.0799e-09 deg/d
Q 2.708806497853023 1.9339e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      8330 days (22.81 yr)  
   first obs. used      1992-03-03  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61191  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 18:07:33  

Additional Information
 Earth MOID = .852538 AU 
 T_jup = 3.583 
[ 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 15.6 mag n/a MPO309817  

90919 (1997 PA5)          Discovered 1997-Aug-11 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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