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JPL Small-Body Database Browser
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117940 (6191 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117940
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1927597399525225 4.2493e-08  
a 3.133610254029646 2.5261e-08 au
q 2.529576356350333 1.406e-07 au
i 4.598813168201555 6.3553e-06 deg
node 222.0586439246945 6.0496e-05 deg
peri 107.0963652333078 6.3132e-05 deg
M 195.8718983453239 1.7091e-05 deg
tp 2459524.232751318471
(2021-Nov-05.73275132)
0.00010008 TDB
period 2026.123418976224
5.55
2.45e-05
6.708e-08
d
yr
n .1776792058313524 2.1485e-09 deg/d
Q 3.737644151708958 3.013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      21341 days (58.43 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:48:52  

Additional Information
 Earth MOID = 1.52261 au 
 Jupiter MOID = 1.66979 au 
 T_jup = 3.179 
[ 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 15.4   n/a MPO432683  
diameter diameter 4.884 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117940 (6191 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 6191 P-L = 1999 RF61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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