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117955 (6693 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039996729857979 7.0113e-08  
a 2.406705818789744 1.0626e-08 au
q 1.915738618783619 1.6956e-07 au
i 6.265065975518065 9.0469e-06 deg
node 16.06672175586859 4.6195e-05 deg
peri 23.68651018056706 4.9319e-05 deg
M 327.9409834619934 1.7895e-05 deg
tp 2459121.945278071102
(2020-Sep-29.44527807)
6.8195e-05 TDB
period 1363.744270001721
3.73
9.032e-06
2.473e-08
d
yr
n .2639791109806428 1.7483e-09 deg/d
Q 2.897673018795869 1.2794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      21857 days (59.84 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:01:06  

Additional Information
 Earth MOID = .925143 au 
 Jupiter MOID = 2.53772 au 
 T_jup = 3.486 
[ 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 16.8   n/a MPO436566  

117955 (6693 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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