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JPL Small-Body Database Browser
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117961 (6813 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117961
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08724841391672332 3.7026e-08  
a 2.780204050778289 1.9204e-08 au
q 2.537635656983034 1.0503e-07 au
i 4.319050264527544 6.471e-06 deg
node 49.28404965759585 5.9848e-05 deg
peri 264.0193760263006 7.3142e-05 deg
M 267.1601748300396 4.3833e-05 deg
tp 2459037.161847285944
(2020-Jul-06.66184729)		 0.00020759 TDB
period 1693.220175018203
4.64		 1.7544e-05
4.803e-08		 d
yr
n .21261263320119 2.2029e-09 deg/d
Q 3.022772444573544 2.088e-08 au
   Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      21412 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:14  

Additional Information
 Earth MOID = 1.52741 au 
 Jupiter MOID = 2.19105 au 
 T_jup = 3.324 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436566  

117961 (6813 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

Alternate Designations
 6813 P-L = 2002 TW244 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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