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117908 (4104 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223842044517191 6.9319e-08  
a 2.322217795427665 1.091e-08 au
q 2.038015017970625 1.597e-07 au
i 6.100958698466938 7.1332e-06 deg
node 208.99808864 4.2204e-05 deg
peri 172.1201595667306 4.6357e-05 deg
M 301.2405318608809 2.3022e-05 deg
tp 2459211.473644582174
(2020-Dec-27.97364458)
8.3612e-05 TDB
period 1292.566363428648
3.54
9.1088e-06
2.494e-08
d
yr
n .2785156802665573 1.9627e-09 deg/d
Q 2.606420572884705 1.2245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   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      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:13  

Additional Information
 Earth MOID = 1.04108 au 
 Jupiter MOID = 2.84281 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456402.5 (2013-Apr-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122326800578159 6.9152e-08  
q 2.037754768230809 1.5934e-07 au
tp 2456627.541962396405
(2013-Dec-01.04196240)
7.3646e-05 TDB
node 209.13633209323 4.2201e-05 deg
peri 172.1494113662474 4.6372e-05 deg
i 6.101301755259202 7.1325e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      534  
   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      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:13  

Additional Information
 Jupiter MOID = 2.84281 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.78201285285212E-15 -1.10002171110076E-14 -6.378308008518123E-13 -3.350779595364049E-15 -2.451191927194748E-13 2.998399363597385E-15
q -1.10002171110076E-14 2.538962689801658E-14 1.816571760657744E-12 8.835103197870157E-15 6.471511033578564E-13 -7.208358353475515E-15
tp -6.378308008518123E-13 1.816571760657744E-12 5.423758292917333E-9 8.131371061086973E-12 1.426070673546351E-9 -4.934172934725156E-12
node -3.350779595364049E-15 8.835103197870157E-15 8.131371061086973E-12 1.78090520473714E-9 -1.768192947159407E-9 -1.020018367430535E-10
peri -2.451191927194748E-13 6.471511033578564E-13 1.426070673546351E-9 -1.768192947159407E-9 2.150339075992631E-9 1.000796556501157E-10
i 2.998399363597385E-15 -7.208358353475515E-15 -4.934172934725156E-12 -1.020018367430535E-10 1.000796556501157E-10 5.087316684812833E-11

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 15.9   n/a MPO432683  

117908 (4104 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
 4104 P-L = 1999 TL32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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