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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917779823065302 8.4011e-08  
a 2.27328747207504 1.7736e-08 AU
q 1.837320987477776 1.9225e-07 AU
i 3.938920771830649 6.7868e-06 deg
node 309.5315621790824 0.00011857 deg
peri 101.5509193328155 0.00012072 deg
M 266.1093546711872 2.0077e-05 deg
tp 2457127.012481836884
(2015-Apr-14.51248184)
7.087e-05 JED
period 1251.929764138138
3.43
1.4651e-05
4.011e-08
d
yr
n .2875560676902938 3.3652e-09 deg/d
Q 2.709253956672304 2.1137e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      482  
   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      .59545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 15:43:51  

Additional Information
 Earth MOID = .851778 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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