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JPL Small-Body Database Browser
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117971 (9613 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117971
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420972318112503 4.9582e-08  
a 2.788883536483952 1.7926e-08 au
q 2.392590906105612 1.3686e-07 au
i 13.98400071152457 6.6645e-06 deg
node 193.9376393000056 1.9172e-05 deg
peri 205.0189847096876 2.8729e-05 deg
M 185.3585081289656 2.1033e-05 deg
tp 2459425.756448552577
(2021-Jul-30.25644855)
0.00010218 TDB
period 1701.155425872784
4.66
1.6401e-05
4.49e-08
d
yr
n .211620875156249 2.0403e-09 deg/d
Q 3.185176166862291 2.0473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      21433 days (58.68 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60263  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:21:20  

Additional Information
 Earth MOID = 1.40491 au 
 Jupiter MOID = 2.27276 au 
 T_jup = 3.272 
[ 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 MPO396009  

117971 (9613 P-L)          Discovered 1960-Oct-17 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
 9613 P-L = 2000 GH31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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