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216040 (2006 HE1)
Classification: Main-belt Asteroid          SPK-ID: 2216040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09290758259869311 7.4233e-08  
a 3.047935162517015 2.8849e-08 au
q 2.764758874650004 2.446e-07 au
i 10.92450445342474 3.9766e-06 deg
node 32.83253956814624 2.6277e-05 deg
peri 124.2818018392953 3.7048e-05 deg
M 317.3326443470288 2.3971e-05 deg
tp 2459430.856377473906
(2021-Aug-04.35637747)
0.00012955 TDB
period 1943.600549447956
5.32
2.7594e-05
7.555e-08
d
yr
n .1852232446128148 2.6297e-09 deg/d
Q 3.331111450384026 3.1529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      6377 days (17.46 yr)  
   first obs. used      2003-09-19  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:53:11  

Additional Information
 Earth MOID = 1.78939 au 
 Jupiter MOID = 1.68459 au 
 T_jup = 3.204 
[ 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 15.28   n/a MPCxxxxx  
diameter diameter 3.145 km 0.972 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216040 (2006 HE1)          Discovered 2006-Apr-18 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2006 HE1 = 2003 SO141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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