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227892 (2007 EA70)
Classification: Main-belt Asteroid          SPK-ID: 2227892
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704004017490639 5.1842e-08  
a 3.099406794629844 3.2187e-08 au
q 2.57126663164114 1.5168e-07 au
i 4.799859583584867 5.5208e-06 deg
node 38.20350727400594 5.3297e-05 deg
peri 270.1804125679021 5.586e-05 deg
M 82.43808986615679 1.8485e-05 deg
tp 2458744.104117493703
(2019-Sep-17.60411749)
9.8679e-05 TDB
period 1993.041298858599
5.46
3.1046e-05
8.5e-08
d
yr
n .1806284697693769 2.8137e-09 deg/d
Q 3.627546957618548 3.7671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      2002-02-13  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:33  

Additional Information
 Earth MOID = 1.56046 au 
 Jupiter MOID = 1.66721 au 
 T_jup = 3.194 
[ 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 15.7   n/a MPO440188  
diameter diameter 3.911 km 1.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227892 (2007 EA70)          Discovered 2007-Mar-10 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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