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JPL Small-Body Database Browser
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39389 (4191 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039389
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05369323523014442 5.1985e-08  
a 3.130571287773723 2.4802e-08 au
q 2.962480787214552 1.6731e-07 au
i 15.24546420827823 6.6809e-06 deg
node 348.0830624938711 1.7013e-05 deg
peri 312.0504516355434 5.4753e-05 deg
M 261.7524412199616 5.175e-05 deg
tp 2459152.644932636098
(2020-Oct-30.14493264)
0.00029154 TDB
period 2023.176740645706
5.54
2.4043e-05
6.583e-08
d
yr
n .1779379886925274 2.1146e-09 deg/d
Q 3.298661788332894 2.6134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:34  

Additional Information
 Earth MOID = 1.96911 au 
 Jupiter MOID = 1.94469 au 
 T_jup = 3.157 
[ 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 14.2   n/a MPO347804  
diameter diameter 4.636 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.206   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39389 (4191 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
 4191 P-L = 1999 TV269 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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