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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09171938348790269 7.632e-08  
a 3.083016660486388 4.3404e-08 au
q 2.800244273103643 2.2473e-07 au
i 2.455470377047587 7.7721e-06 deg
node 127.9769574964209 0.00019407 deg
peri 200.116015287086 0.00019955 deg
M 158.5320894989448 4.5275e-05 deg
tp 2456529.783213351657
(2013-Aug-25.28321335)
0.00024712 JED
period 1977.252959852585
5.41
4.1755e-05
1.143e-07
d
yr
n .1820707857364087 3.8449e-09 deg/d
Q 3.365789047869132 4.7385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      1997-08-03  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55266  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:55:48  

Additional Information
 Earth MOID = 1.78691 au 
 Jupiter MOID = 1.91517 au 
 T_jup = 3.219 
[ 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 15.1 mag n/a MPO319932  

73931 (1997 PK3)          Discovered 1997-Aug-03 by BAO Schmidt CCD Asteroid Program at Xinglong
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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