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117904 (3504 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117904
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973369469252877 7.5157e-08  
a 2.663414809986237 1.6037e-08 au
q 2.137824662987958 2.0192e-07 au
i 11.49786971386514 9.3157e-06 deg
node 330.7437513838907 2.6886e-05 deg
peri 40.04522597183414 3.2107e-05 deg
M 260.416670294262 1.9421e-05 deg
tp 2459439.678210724137
(2021-Aug-13.17821072)
8.8202e-05 TDB
period 1587.656853088526
4.35
1.4339e-05
3.926e-08
d
yr
n .2267492495621324 2.048e-09 deg/d
Q 3.189004956984516 1.9202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      21404 days (58.60 yr)  
   first obs. used      1960-09-26  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:13  

Additional Information
 Earth MOID = 1.14953 au 
 Jupiter MOID = 2.32822 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456387.5 (2013-Apr-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957113328910636 7.4559e-08  
q 2.143039963409095 1.9919e-07 au
tp 2456267.519262162978
(2012-Dec-06.01926216)
7.4758e-05 TDB
node 330.8270751288325 2.6933e-05 deg
peri 40.60768519069125 3.2294e-05 deg
i 11.48380254093537 9.3047e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      21404 days (58.60 yr)  
   first obs. used      1960-09-26  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:13  

Additional Information
 Jupiter MOID = 2.32822 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.559026856405408E-15 -1.48200875099637E-14 -2.70208119092801E-12 -1.106341361103552E-14 -6.846814265938666E-13 -3.67727570273212E-15
q -1.48200875099637E-14 3.967571469490452E-14 7.492150208731625E-12 3.09252150126586E-14 1.885950997863656E-12 9.509344388721413E-15
tp -2.70208119092801E-12 7.492150208731625E-12 5.588786611461185E-9 -7.344264361152685E-13 1.350869022750389E-9 -2.632469571196691E-12
node -1.106341361103552E-14 3.09252150126586E-14 -7.344264361152685E-13 7.253944800871321E-10 -7.09984598519459E-10 6.112390216343514E-11
peri -6.846814265938666E-13 1.885950997863656E-12 1.350869022750389E-9 -7.09984598519459E-10 1.042890495827933E-9 -6.056897307463282E-11
i -3.67727570273212E-15 9.509344388721413E-15 -2.632469571196691E-12 6.112390216343514E-11 -6.056897307463282E-11 8.657704320341102E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO475035  

117904 (3504 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

Alternate Designations
 3504 P-L = 1999 RC163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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