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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0383344350324585 5.9633e-08  
a 3.047533986284845 3.3119e-08 au
q 2.930708492678399 1.8913e-07 au
i 16.72814460900484 5.4673e-06 deg
node 136.0781711244226 2.0678e-05 deg
peri 92.66121470654832 8.3911e-05 deg
M 246.1438547934933 8.4074e-05 deg
tp 2459615.075493334242
(2022-Feb-04.57549333)
0.00045901 TDB
period 1943.216830317238
5.32
3.1677e-05
8.673e-08
d
yr
n .1852598198942259 3.02e-09 deg/d
Q 3.16435947989129 3.4389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      9498 days (26.00 yr)  
   first obs. used      1994-02-13  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:55:41  

Additional Information
 Earth MOID = 1.97482 au 
 Jupiter MOID = 1.9438 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457469.5 (2016-Mar-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03975900862862056 5.9732e-08  
q 2.926846510594842 1.9018e-07 au
tp 2457666.326778499000
(2016-Oct-04.82677850)
0.00042515 TDB
node 136.1235440296902 2.067e-05 deg
peri 91.4568632120732 8.0704e-05 deg
i 16.73117355591736 5.4689e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      9498 days (26.00 yr)  
   first obs. used      1994-02-13  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:55:41  

Additional Information
 Jupiter MOID = 1.9438 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.567893442819453E-15 -1.120053097318437E-14 -6.827089797029318E-12 2.244929777087372E-14 -1.163616809147642E-12 -4.399154593377431E-15
q -1.120053097318437E-14 3.616820999311217E-14 2.75373810790507E-11 -7.050316614988362E-14 4.760162055450874E-12 1.750598769104087E-14
tp -6.827089797029318E-12 2.75373810790507E-11 1.807566796616811E-7 -1.194501726240386E-11 3.321291924553803E-8 8.19282960397466E-11
node 2.244929777087372E-14 -7.050316614988362E-14 -1.194501726240386E-11 4.272359074889445E-10 -4.104047615102459E-10 1.983256869029102E-11
peri -1.163616809147642E-12 4.760162055450874E-12 3.321291924553803E-8 -4.104047615102459E-10 6.513140861318146E-9 -4.061301116513533E-12
i -4.399154593377431E-15 1.750598769104087E-14 8.19282960397466E-11 1.983256869029102E-11 -4.061301116513533E-12 2.990869069183597E-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

[ hide close-approach data ]
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 1.96615524861348 1.96615467224768 1.9661558249795 5.19103346237954 5.10736972658549 2446605.823419084 1.3364200539405 148.556886737317 26.8105271694541 -88.3025639297465 3066821.09499994 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 01:55:42 2020-Nov-12 01:55
2140-Sep-24 16:01 00:06 Jupiter 1.97470885798504 1.97470830326514 1.97470941270697 5.11739558477096 5.03287857883925 2502946.167614404 5.63483660990607 570.807950687223 26.0595546635133 88.870812162133 3074502.97970967 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 01:55:42 2020-Nov-12 01:55

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