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226713 (2004 PS4)
Classification: Main-belt Asteroid          SPK-ID: 2226713
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 .1667991321225375 4.2911e-08  
a 2.675085171053045 1.9383e-08 au
q 2.228883286167528 1.1984e-07 au
i 4.190415502825256 4.2174e-06 deg
node 249.2775156986547 8.4228e-05 deg
peri 139.9321433882575 8.6395e-05 deg
M 175.8294192358817 2.0921e-05 deg
tp 2458219.962292330157
(2018-Apr-11.46229233)
8.7976e-05 TDB
period 1598.103297970746
4.38
1.7369e-05
4.755e-08
d
yr
n .2252670402827678 2.4483e-09 deg/d
Q 3.121287055938563 2.2616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      7117 days (19.49 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:13  

Additional Information
 Earth MOID = 1.23618 au 
 Jupiter MOID = 2.32898 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457494.5 (2016-Apr-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661818391262418 4.2737e-08  
q 2.231165876517411 1.1915e-07 au
tp 2458220.973682012279
(2018-Apr-12.47368201)
8.8486e-05 TDB
node 249.2902434046103 8.4235e-05 deg
peri 140.196560908027 8.6428e-05 deg
i 4.189546233095661 4.2169e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      7117 days (19.49 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:13  

Additional Information
 Jupiter MOID = 2.32898 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.826485388634513E-15 -5.048567509028245E-15 -1.579950811082369E-12 4.974141169500988E-15 -3.69151976240782E-13 -1.181411238012558E-15
q -5.048567509028245E-15 1.419739575391883E-14 4.97985509785955E-12 -1.392105352213238E-14 1.131040611535507E-12 3.938295533169691E-15
tp -1.579950811082369E-12 4.97985509785955E-12 7.829722986554764E-9 -4.454624108706645E-12 1.761914216475997E-9 3.449273954401243E-12
node 4.974141169500988E-15 -1.392105352213238E-14 -4.454624108706645E-12 7.095586636917452E-9 -7.07724546687945E-9 2.87120774291278E-11
peri -3.69151976240782E-13 1.131040611535507E-12 1.761914216475997E-9 -7.07724546687945E-9 7.469754168679123E-9 -2.791285057432889E-11
i -1.181411238012558E-15 3.938295533169691E-15 3.449273954401243E-12 2.87120774291278E-11 -2.791285057432889E-11 1.778189453741936E-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 16.4   n/a MPO433485  

226713 (2004 PS4)          Discovered 2004-Aug-05 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 PS4 = 2000 VD41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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