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214302 (2005 JA4)
Classification: Main-belt Asteroid          SPK-ID: 2214302
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702566695369293 3.6532e-08  
a 2.422058984813572 1.2017e-08 au
q 2.009687288637217 9.033e-08 au
i 3.281115341867581 4.1051e-06 deg
node 68.14470893452631 0.0001022 deg
peri 191.9473384046206 0.0001037 deg
M 10.22386843514759 1.8855e-05 deg
tp 2459161.398965173113
(2020-Nov-07.89896517)
7.2005e-05 TDB
period 1376.814718124459
3.77
1.0247e-05
2.805e-08
d
yr
n .2614730909402272 1.946e-09 deg/d
Q 2.834430680989926 1.4063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6485 days (17.75 yr)  
   first obs. used      2002-08-20  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:46:12  

Additional Information
 Earth MOID = .992809 au 
 Jupiter MOID = 2.22667 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457511.5 (2016-May-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701995003513058 3.6484e-08  
q 2.010375218062667 9.0253e-08 au
tp 2457783.401535042165
(2017-Jan-29.90153504)
6.8898e-05 TDB
node 68.16474641394312 0.0001022 deg
peri 191.6253421425341 0.00010371 deg
i 3.281095958118169 4.1044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6485 days (17.75 yr)  
   first obs. used      2002-08-20  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:46:12  

Additional Information
 Jupiter MOID = 2.22667 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.331057253001619E-15 -3.272291002252478E-15 1.98735963800882E-13 -2.138496210297016E-15 9.968914056647821E-14 -3.751856226207762E-16
q -3.272291002252478E-15 8.145620362385518E-15 -3.078192335645658E-13 8.563238392325053E-15 -2.068692847318251E-13 1.070011043538919E-15
tp 1.98735963800882E-13 -3.078192335645658E-13 4.746888201945657E-9 5.091090863868885E-11 1.251554712940739E-9 1.524308268967976E-12
node -2.138496210297016E-15 8.563238392325053E-15 5.091090863868885E-11 1.044535860661907E-8 -1.041465914220685E-8 -2.983358034936939E-11
peri 9.968914056647821E-14 -2.068692847318251E-13 1.251554712940739E-9 -1.041465914220685E-8 1.075523998514022E-8 3.017983333705101E-11
i -3.751856226207762E-16 1.070011043538919E-15 1.524308268967976E-12 -2.983358034936939E-11 3.017983333705101E-11 1.684614098469109E-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 17.10   n/a E2021B55  

214302 (2005 JA4)          Discovered 2005-May-03 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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Alternate Designations
 2005 JA4 = 2005 GA211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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