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117121 (2004 PY24)
Classification: Main-belt Asteroid          SPK-ID: 2117121
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197714784160556 4.0982e-08  
a 2.986892984211755 2.02e-08 au
q 2.629148395622169 1.3152e-07 au
i 15.44573866180328 5.1692e-06 deg
node 129.4606536905479 1.9281e-05 deg
peri 291.7897639484432 3.6532e-05 deg
M 288.0238877354419 2.8558e-05 deg
tp 2459377.476089579788
(2021-Jun-11.97608958)		 0.00014969 TDB
period 1885.506009964777
5.16		 1.9127e-05
5.237e-08		 d
yr
n .1909301790062844 1.9369e-09 deg/d
Q 3.344637572801341 2.2619e-08 au
   Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      7294 days (19.97 yr)  
   first obs. used      2000-11-26  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:44:04  

Additional Information
 Earth MOID = 1.6885 au 
 Jupiter MOID = 1.98957 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .120431932866756 4.2135e-08  
q 2.628330371982103 1.3525e-07 au
tp 2457478.394439664089
(2016-Mar-30.89443966)		 0.00014738 TDB
node 129.7659723924891 1.9322e-05 deg
peri 289.4639551334517 3.6091e-05 deg
i 15.41256905230108 5.1714e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      7294 days (19.97 yr)  
   first obs. used      2000-11-26  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:44:04  

Additional Information
 Jupiter MOID = 1.98957 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.775372962334855E-15 -5.661346355964821E-15 -2.468225612689889E-12 1.46832736078088E-14 -5.130069391881712E-13 -6.271572743184967E-15
q -5.661346355964821E-15 1.829224337957186E-14 7.390600987571512E-12 -4.496754460732386E-14 1.53386246448461E-12 2.186255215503338E-14
tp -2.468225612689889E-12 7.390600987571512E-12 2.172075386549914E-8 -2.768585955726876E-11 4.528748822911747E-9 3.419768260478577E-11
node 1.46832736078088E-14 -4.496754460732386E-14 -2.768585955726876E-11 3.73358997081302E-10 -3.661247084424794E-10 4.833981619054035E-11
peri -5.130069391881712E-13 1.53386246448461E-12 4.528748822911747E-9 -3.661247084424794E-10 1.3025800893392E-9 -3.987986574587572E-11
i -6.271572743184967E-15 2.186255215503338E-14 3.419768260478577E-11 4.833981619054035E-11 -3.987986574587572E-11 2.674382488548721E-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 14.6   n/a MPO449685  
diameter diameter 5.983 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117121 (2004 PY24)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2004 PY24 = 2002 JE113 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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