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22501 (1997 PR3)
Classification: Main-belt Asteroid          SPK-ID: 2022501
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750327754527928 6.0871e-08  
a 2.372205425477992 1.7301e-08 AU
q 1.956991725912406 1.451e-07 AU
i 1.56805226987904 6.0218e-06 deg
node 110.1326102639934 0.00024688 deg
peri 142.6431156738867 0.00024786 deg
M 282.0962065784346 2.1275e-05 deg
tp 2457089.290547407648
(2015-Mar-07.79054741)
8.0041e-05 JED
period 1334.525476880998
3.65
1.46e-05
3.997e-08
d
yr
n .2697588065844785 2.9512e-09 deg/d
Q 2.787419125043578 2.033e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      1993-07-12  
   last obs. used      2014-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56154  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:11:49  

Additional Information
 Earth MOID = .942674 AU 
 T_jup = 3.523 
[ 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 MPO244382  

22501 (1997 PR3)          Discovered 1997-Aug-05 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 PR3 = 1993 OQ11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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