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227057 (2005 ER93)
Classification: Main-belt Asteroid          SPK-ID: 2227057
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188342610506213 5.5773e-08  
a 3.09184687678634 2.3731e-08 au
q 2.41524485022313 1.7939e-07 au
i 14.77731279347828 4.9429e-06 deg
node 116.9192190148017 2.2207e-05 deg
peri 95.08450587439121 2.7245e-05 deg
M 310.5870811454703 1.2654e-05 deg
tp 2459473.060803559191
(2021-Sep-15.56080356)
7.0746e-05 TDB
period 1985.753757436939
5.44
2.2862e-05
6.259e-08
d
yr
n .1812913603470457 2.0872e-09 deg/d
Q 3.768448903349551 2.8924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      2000-05-28  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:16  

Additional Information
 Earth MOID = 1.46329 au 
 Jupiter MOID = 1.57047 au 
 T_jup = 3.137 
[ 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 15.05   n/a E2021B55  
diameter diameter 6.149 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227057 (2005 ER93)          Discovered 2005-Mar-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 ER93 = 2000 KZ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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