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JPL Small-Body Database Browser
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233030 (2005 EC284)
Classification: Main-belt Asteroid          SPK-ID: 2233030
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03860851798611604 6.3841e-08  
a 3.047031314905601 3.3673e-08 au
q 2.929389951579809 1.994e-07 au
i 16.72650600970019 6.6423e-06 deg
node 136.0886944329966 2.4711e-05 deg
peri 92.44501381999306 9.716e-05 deg
M 172.2664288213405 9.4819e-05 deg
tp 2457670.866098288694
(2016-Oct-09.36609829)
0.00050673 TDB
period 1942.736068228118
5.32
3.2204e-05
8.817e-08
d
yr
n .1853056654928632 3.0717e-09 deg/d
Q 3.164672678231393 3.4973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      9419 days (25.79 yr)  
   first obs. used      1994-02-13  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:52:10  

Additional Information
 Earth MOID = 1.9735 au 
 Jupiter MOID = 1.9451 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457152.5 (2015-May-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04090927553055784 6.357e-08  
q 2.92364013419508 2.0004e-07 au
tp 2457668.398324576462
(2016-Oct-06.89832458)
0.00047725 TDB
node 136.1418305172088 2.4661e-05 deg
peri 91.94682711044835 9.183e-05 deg
i 16.74192679826918 6.6448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      9419 days (25.79 yr)  
   first obs. used      1994-02-13  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:52:10  

Additional Information
 Jupiter MOID = 1.9451 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.041145705613678E-15 -1.254759832052445E-14 -1.184015532388514E-11 1.217108664089778E-14 -2.126554908159407E-12 -9.859144552157346E-15
q -1.254759832052445E-14 4.001540295881175E-14 4.135443114255563E-11 -3.421748576915188E-14 7.41095461777441E-12 3.478109683009864E-14
tp -1.184015532388514E-11 4.135443114255563E-11 2.277689417409914E-7 8.650689128154457E-11 4.229166857949686E-8 1.265068302404133E-10
node 1.217108664089778E-14 -3.421748576915188E-14 8.650689128154457E-11 6.081783606396262E-10 -5.653018369251111E-10 7.033821628427062E-11
peri -2.126554908159407E-12 7.41095461777441E-12 4.229166857949686E-8 -5.653018369251111E-10 8.432794068843467E-9 -4.40405008141897E-11
i -9.859144552157346E-15 3.478109683009864E-14 1.265068302404133E-10 7.033821628427062E-11 -4.40405008141897E-11 4.415274638430681E-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 15.3   n/a MPO454684  

233030 (2005 EC284)          Discovered 2005-Mar-11 by LONEOS at Anderson Mesa
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2005 EC284 = 2006 KS55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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