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212141 (2005 ER276)
Classification: Main-belt Asteroid          SPK-ID: 2212141
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734062283216343 1.2136e-07  
a 2.569840632788276 2.3224e-08 au
q 2.124214261268779 3.1812e-07 au
i 2.559269056014652 1.4368e-05 deg
node 6.272126406414837 0.00018405 deg
peri 118.1254001539328 0.00018827 deg
M 298.483934983424 3.3747e-05 deg
tp 2459257.624678000985
(2021-Feb-12.12467800)
0.00014115 TDB
period 1504.727001888242
4.12
2.0398e-05
5.585e-08
d
yr
n .2392460556288587 3.2431e-09 deg/d
Q 3.015467004307772 2.7251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      6721 days (18.40 yr)  
   first obs. used      2001-05-01  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:44:01  

Additional Information
 Earth MOID = 1.14113 au 
 Jupiter MOID = 2.05339 au 
 T_jup = 3.408 
[ 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 17.2   n/a MPO494172  

212141 (2005 ER276)          Discovered 2005-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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