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JPL Small-Body Database Browser
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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466139142145355 3.6303e-08  
a 2.567574304838437 1.2463e-08 au
q 2.191132185969409 9.3833e-08 au
i 15.2374110187093 4.0654e-06 deg
node 139.1594078995186 1.7396e-05 deg
peri 203.9192949438107 2.4012e-05 deg
M 268.8052349982724 1.901e-05 deg
tp 2459381.171502150892
(2021-Jun-15.67150215)
8.031e-05 TDB
period 1502.736925433439
4.11
1.0941e-05
2.995e-08
d
yr
n .2395628894898979 1.7442e-09 deg/d
Q 2.944016423707466 1.429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1306  
   data-arc span      9572 days (26.21 yr)  
   first obs. used      1994-02-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:45:18  

Additional Information
 Earth MOID = 1.18896 au 
 Jupiter MOID = 2.44687 au 
 T_jup = 3.367 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1978-Jul-27 18:46 00:03 Hebe 0.0196667116592167 0.019662766679103 0.0196706569044466 1.87311353915219 1.87311337039523 2443717.282064449 2.60866295031996 231.588976166427 76.8147093245397 34.3328499824323 23944.9165678163 T 30 CATAB v2.0f-lin.ifort 2020-May-20 08:45:24 2020-May-20 08:45

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