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39680 (1996 PK2)
Classification: Main-belt Asteroid          SPK-ID: 2039680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466139155682723 3.2882e-08  
a 2.56757430522564 1.1656e-08 au
q 2.191132182824023 8.6762e-08 au
i 15.23741311728824 3.4343e-06 deg
node 139.159409123702 1.7325e-05 deg
peri 203.9192932393501 2.3929e-05 deg
M 268.8052353030275 1.8814e-05 deg
tp 2459381.171500964873
(2021-Jun-15.67150097)
7.9361e-05 TDB
period 1502.736925773369
4.11
1.0233e-05
2.802e-08
d
yr
n .2395628894357071 1.6313e-09 deg/d
Q 2.944016427627258 1.3365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      9667 days (26.47 yr)  
   first obs. used      1994-02-12  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:35:29  

Additional Information
 Earth MOID = 1.18896 au 
 Jupiter MOID = 2.44687 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457461.5 (2016-Mar-14.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458565492086644 3.2905e-08  
q 2.193249326452158 8.6722e-08 au
tp 2457879.301631138327
(2017-May-05.80163114)
7.6954e-05 TDB
node 139.1725166622363 1.7328e-05 deg
peri 204.1360923075837 2.3987e-05 deg
i 15.23507796082744 3.4338e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      9667 days (26.47 yr)  
   first obs. used      1994-02-12  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:35:29  

Additional Information
 Jupiter MOID = 2.44687 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.08275929307881E-15 -2.835165262732811E-15 2.352688310848261E-13 5.587398376813418E-15 7.977779939737338E-14 5.550216300479588E-16
q -2.835165262732811E-15 7.520747583483689E-15 -4.453092193219526E-13 -1.408754817259001E-14 -1.77770160608229E-13 -7.039839542385934E-16
tp 2.352688310848261E-13 -4.453092193219526E-13 5.921862814905159E-9 2.223657186829637E-11 1.304047508951065E-9 1.158113380294928E-11
node 5.587398376813418E-15 -1.408754817259001E-14 2.223657186829637E-11 3.002463597973956E-10 -2.845266979054637E-10 -3.000395487631589E-12
peri 7.977779939737338E-14 -1.77770160608229E-13 1.304047508951065E-9 -2.845266979054637E-10 5.753790138265702E-10 5.434673815376836E-12
i 5.550216300479588E-16 -7.039839542385934E-16 1.158113380294928E-11 -3.000395487631589E-12 5.434673815376836E-12 1.179068068383978E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO468237  
diameter diameter 4.165 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39680 (1996 PK2)          Discovered 1996-Aug-09 by JPL/GEODSS NEAT at Haleakala
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 PK2 = 1999 GO41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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