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JPL Small-Body Database Browser
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39390 (4839 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039390
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050683344086271 3.1037e-08  
a 2.345458827368651 8.3194e-09 au
q 1.86447949221615 7.4136e-08 au
i 2.184307050115077 3.6779e-06 deg
node 165.6590007907328 0.00010677 deg
peri 127.8125371360699 0.00010723 deg
M 269.1758605813961 1.1237e-05 deg
tp 2459331.508341384756
(2021-Apr-27.00834138)
4.1752e-05 TDB
period 1312.019069614256
3.59
6.9806e-06
1.911e-08
d
yr
n .2743862557621536 1.4599e-09 deg/d
Q 2.826438162521152 1.0025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:12:05  

Additional Information
 Earth MOID = .849389 au 
 Jupiter MOID = 2.37084 au 
 T_jup = 3.532 
[ 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 16.1   n/a MPO299236  
diameter diameter 3.304 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39390 (4839 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4839 P-L = 1999 JK116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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