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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09244343349364742 7.7304e-08  
a 3.080830485348906 4.4402e-08 AU
q 2.796027937271353 2.2871e-07 AU
i 2.455524014998894 7.953e-06 deg
node 127.9778357994697 0.00019736 deg
peri 199.8703352738026 0.00020272 deg
M 85.87286796725311 4.4995e-05 deg
tp 2456529.356072086707
(2013-Aug-24.85607209)
0.00024647 JED
period 1975.150219897926
5.41
4.2699e-05
1.169e-07
d
yr
n .1822646178368167 3.9403e-09 deg/d
Q 3.365633033426459 4.8506e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      6404 days (17.53 yr)  
   first obs. used      1997-08-03  
   last obs. used      2015-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 19:03:01  

Additional Information
 Earth MOID = 1.78535 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 15.1 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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