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JPL Small-Body Database Browser
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117866 (2105 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117866
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686850197099681 5.1414e-08  
a 2.245242783731918 9.4363e-09 au
q 1.866503960504436 1.1732e-07 au
i 7.246175587769019 5.4102e-06 deg
node 342.5197688181755 3.4394e-05 deg
peri 354.972451847638 3.7108e-05 deg
M 168.9221346693893 1.2894e-05 deg
tp 2458023.896265432446
(2017-Sep-27.39626543)
4.3564e-05 TDB
period 1228.834485489928
3.36
7.7468e-06
2.121e-08
d
yr
n .29296052824923 1.8469e-09 deg/d
Q 2.6239816069594 1.1028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      21353 days (58.46 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:34:42  

Additional Information
 Earth MOID = .856586 au 
 Jupiter MOID = 2.74887 au 
 T_jup = 3.602 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456893.5 (2014-Aug-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687062469211448 5.158e-08  
q 1.866487144207034 1.1774e-07 au
tp 2456792.914719271984
(2014-May-15.41471927)
4.341e-05 TDB
node 342.5496154017122 3.4378e-05 deg
peri 354.5302760282204 3.7084e-05 deg
i 7.24913848011198 5.4111e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      21353 days (58.46 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:34:42  

Additional Information
 Jupiter MOID = 2.74887 au 
 T_jup = 3.602 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.660535723356388E-15 -6.060507722833454E-15 -2.35939003665516E-13 -2.885699712340107E-14 -1.004399451885975E-13 -8.355960804302329E-15
q -6.060507722833454E-15 1.386372265694386E-14 5.035548168739928E-13 6.537287454145171E-14 2.196673574118098E-13 1.932453135716182E-14
tp -2.35939003665516E-13 5.035548168739928E-13 1.884408953180244E-9 1.818010119341972E-11 6.186297014420119E-10 -4.157649720871656E-12
node -2.885699712340107E-14 6.537287454145171E-14 1.818010119341972E-11 1.181833819862333E-9 -1.164379000246223E-9 -1.270381257434168E-11
peri -1.004399451885975E-13 2.196673574118098E-13 6.186297014420119E-10 -1.164379000246223E-9 1.375239150525542E-9 1.132138307193574E-11
i -8.355960804302329E-15 1.932453135716182E-14 -4.157649720871656E-12 -1.270381257434168E-11 1.132138307193574E-11 2.927947262122951E-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 16.2   n/a MPO264145  

117866 (2105 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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