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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917065871286157 7.8765e-08  
a 2.273048082055755 1.7186e-08 AU
q 1.837289791865601 1.8074e-07 AU
i 3.938916382762524 6.2819e-06 deg
node 309.5309290737685 0.00011276 deg
peri 101.5730445446384 0.00011452 deg
M 323.5972457625311 1.8056e-05 deg
tp 2457127.073591569632
(2015-Apr-14.57359157)
6.3201e-05 JED
period 1251.732016424369
3.43
1.4196e-05
3.887e-08
d
yr
n .2876014955887737 3.2618e-09 deg/d
Q 2.70880637224591 2.0481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      7741 days (21.19 yr)  
   first obs. used      1992-03-03  
   last obs. used      2013-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58073  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 17:52:17  

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 15.5 mag n/a MPO263996  

90919 (1997 PA5)          Discovered 1997-Aug-11 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
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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