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73931 (1997 PK3)
Classification: Main-belt Asteroid          SPK-ID: 2073931
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09256332239294816 1.329e-07  
a 3.081016853045603 6.0573e-08 AU
q 2.795827696779036 4.2578e-07 AU
i 2.455543035678807 1.291e-05 deg
node 127.977313899912 0.00024638 deg
peri 199.8800165218415 0.00025244 deg
M 49.39988188313492 5.0906e-05 deg
tp 2456529.441551935644
(2013-Aug-24.94155194)
0.00027936 JED
period 1975.329445807487
5.41
5.8253e-05
1.595e-07
d
yr
n .182248080574143 5.3745e-09 deg/d
Q 3.366206009312169 6.618e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      5884 days (16.11 yr)  
   first obs. used      1997-08-03  
   last obs. used      2013-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 20:47:47  

Additional Information
 Earth MOID = 1.78331 AU 
 T_jup = 3.220 
[ 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 15.0 mag n/a MPO275973  

73931 (1997 PK3)          Discovered 1997-Aug-03 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 PK3 = 2000 DQ89 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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