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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08699637263886349 3.685e-08  
a 2.781913908334654 1.9887e-08 au
q 2.539897489315935 1.0438e-07 au
i 4.314837174134368 6.4646e-06 deg
node 49.24148602433301 5.9941e-05 deg
peri 263.3055937047513 7.3315e-05 deg
M 352.8259704504371 4.4237e-05 deg
tp 2459034.273386958604
(2020-Jul-03.77338696)
0.00020838 TDB
period 1694.782440063695
4.64
1.8173e-05
4.975e-08
d
yr
n .2124166450452898 2.2778e-09 deg/d
Q 3.023930327353372 2.1617e-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 = 1.53036 au 
 Jupiter MOID = 2.18745 au 
 T_jup = 3.323 
[ 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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