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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048346746391568 3.137e-08  
a 2.34607290048755 8.3499e-09 au
q 1.86551582123644 7.4844e-08 au
i 2.183896840253181 3.6902e-06 deg
node 165.6657945943349 0.00010913 deg
peri 127.7423844395687 0.0001096 deg
M 159.518545358684 1.1068e-05 deg
tp 2458018.906744854053
(2017-Sep-22.40674485)
3.9278e-05 TDB
period 1312.534360075538
3.59
7.0072e-06
1.918e-08
d
yr
n .2742785339191284 1.4643e-09 deg/d
Q 2.82662997973866 1.006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      21290 days (58.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55108  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:30  

Additional Information
 Earth MOID = .849726 au 
 Jupiter MOID = 2.36874 au 
 T_jup = 3.531 
[ 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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