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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380688463528837 6.7603e-08  
a 2.408998720849858 1.38e-08 au
q 1.83549117451156 1.6676e-07 au
i 12.36760730892165 7.4584e-06 deg
node 12.01016409958558 2.8133e-05 deg
peri 278.0434853241476 3.1686e-05 deg
M 183.2183089093346 1.4354e-05 deg
tp 2459271.137855222511
(2021-Feb-25.63785522)
5.3921e-05 TDB
period 1365.693621271464
3.74
1.1735e-05
3.213e-08
d
yr
n .2636023148917099 2.2651e-09 deg/d
Q 2.982506267188156 1.7086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1991-10-01  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:43:55  

Additional Information
 Earth MOID = .868633 au 
 Jupiter MOID = 2.35975 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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