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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 ]

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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03833450819377367 6.3731e-08  
a 3.047534001307474 3.3786e-08 au
q 2.930708284163549 1.9907e-07 au
i 16.72814073368168 6.6428e-06 deg
node 136.0781839493479 2.4704e-05 deg
peri 92.66120083159541 9.7969e-05 deg
M 246.1438502122335 9.6072e-05 deg
tp 2459615.075522607346
(2022-Feb-04.57552261)
0.00052217 TDB
period 1943.216844685688
5.32
3.2314e-05
8.847e-08
d
yr
n .1852598185243857 3.0807e-09 deg/d
Q 3.164359718451399 3.5081e-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 = 1.97482 au 
 Jupiter MOID = 1.9438 au 
 T_jup = 3.172 
[ show covariance matrix ]

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1986-Jun-24 07:46 00:01 Jupiter 1.96615510904489 1.96615443046737 1.96615578762248 5.19103297210687 5.10736922229411 2446605.823294093 1.3594104530462 151.540515426428 32.3912503588397 -89.6138167274352 2536697.19690672 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 17:52:12 2019-Dec-04 17:52
2140-Sep-24 16:02 00:06 Jupiter 1.9747086893116 1.97470801215538 1.97470936646782 5.11739316346008 5.03287610958754 2502946.168240180 5.79233850812824 588.197680308468 32.5104041743311 89.3012923121886 2473461.28895076 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 17:52:12 2019-Dec-04 17:52

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