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437677 (2014 CA21)
Classification: Main-belt Asteroid          SPK-ID: 2437677
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344884238902165 7.765e-08  
a 3.118886955372305 4.4865e-08 au
q 2.699432764452527 2.5877e-07 au
i 13.13863506911714 7.9798e-06 deg
node 138.8648933329006 3.8656e-05 deg
peri 98.35735704435399 5.4307e-05 deg
M 329.2905526723361 3.4623e-05 deg
tp 2459172.119794512244
(2020-Nov-18.61979451)
0.00019414 TDB
period 2011.860564118717
5.51
4.341e-05
1.189e-07
d
yr
n .1789388421944121 3.861e-09 deg/d
Q 3.538341146292082 5.0898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2003-02-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57339  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:42:54  

Additional Information
 Earth MOID = 1.72759 au 
 Jupiter MOID = 1.69129 au 
 T_jup = 3.163 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457671.5 (2016-Oct-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342923503560057 7.7733e-08  
q 2.701834685638575 2.5911e-07 au
tp 2457155.945819176298
(2015-May-13.44581918)
0.00019095 TDB
node 138.8943882736013 3.8661e-05 deg
peri 97.89286750436038 5.4316e-05 deg
i 13.13546604112647 7.9786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2003-02-06  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57339  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:42:54  

Additional Information
 Jupiter MOID = 1.69129 au 
 T_jup = 3.163 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.042389359833693E-15 -1.994356262903168E-14 -2.566431595448354E-12 -5.102792974851394E-14 -3.569203466868419E-13 -3.712318543811408E-14
q -1.994356262903168E-14 6.713736077524195E-14 7.770929336976606E-12 1.916114275514555E-13 1.076046936838063E-12 1.300183096601406E-13
tp -2.566431595448354E-12 7.770929336976606E-12 3.646021512785329E-8 -3.67674329973658E-11 7.400376993448942E-9 2.399393926589686E-11
node -5.102792974851394E-14 1.916114275514555E-13 -3.67674329973658E-11 1.494671491017663E-9 -1.460316455261772E-9 1.084550310937858E-10
peri -3.569203466868419E-13 1.076046936838063E-12 7.400376993448942E-9 -1.460316455261772E-9 2.950281858923388E-9 -1.008690224207988E-10
i -3.712318543811408E-14 1.300183096601406E-13 2.399393926589686E-11 1.084550310937858E-10 -1.008690224207988E-10 6.365744586217846E-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 15.9   n/a MPO428071  

437677 (2014 CA21)          Discovered 2004-Apr-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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