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212146 (2005 ES280)
Classification: Main-belt Asteroid          SPK-ID: 2212146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238294937126125 6.2031e-08  
a 2.408343205552911 1.3421e-08 au
q 1.83444721280755 1.5461e-07 au
i 12.36961009793089 7.3465e-06 deg
node 11.9994744051127 2.4784e-05 deg
peri 278.112314065281 2.8809e-05 deg
M 288.6200473217412 1.4072e-05 deg
tp 2459271.175998324425
(2021-Feb-25.67599832)
5.3148e-05 TDB
period 1365.136228599274
3.74
1.1411e-05
3.124e-08
d
yr
n .2637099451747649 2.2044e-09 deg/d
Q 2.982239198298273 1.6619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      10437 days (28.57 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:43:48  

Additional Information
 Earth MOID = .868221 au 
 Jupiter MOID = 2.36179 au 
 T_jup = 3.451 
[ 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 16.0   n/a MPO367390  
diameter diameter 2.914 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.091   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

212146 (2005 ES280)          Discovered 2005-Mar-10 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 ES280 = 2006 QA53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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