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233441 (2006 HE78)
Classification: Main-belt Asteroid          SPK-ID: 2233441
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166391834581919 6.7791e-08  
a 3.08150752651981 4.7912e-08 au
q 2.568769835904188 2.1463e-07 au
i 20.53202911898267 8.9906e-06 deg
node 24.35067991636726 2.0417e-05 deg
peri 40.92915580074825 3.453e-05 deg
M 334.9963544410241 2.8245e-05 deg
tp 2459137.728434593314
(2020-Oct-15.22843459)
0.00015625 TDB
period 1975.80134213103
5.41
4.608e-05
1.262e-07
d
yr
n .1822045528179045 4.2494e-09 deg/d
Q 3.594245217135433 5.5884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      5849 days (16.01 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62231  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:35:44  

Additional Information
 Earth MOID = 1.61062 au 
 Jupiter MOID = 1.97116 au 
 T_jup = 3.110 
[ 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 15.4   n/a MPO494289  
diameter diameter 3.884 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233441 (2006 HE78)          Discovered 2006-Apr-26 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2006 HE78 = 2003 SZ153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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