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212127 (2005 EF218)
Classification: Main-belt Asteroid          SPK-ID: 2212127
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144712244112275 6.2708e-08  
a 2.550842436598979 1.8737e-08 au
q 2.258844379601375 1.6548e-07 au
i 15.00276417680868 9.5539e-06 deg
node 19.01751752460073 1.5473e-05 deg
peri 117.6957732978816 5.1614e-05 deg
M 313.4659441780898 4.4718e-05 deg
tp 2459192.850040787399
(2020-Dec-09.35004079)
0.00018486 TDB
period 1488.071767233748
4.07
1.6396e-05
4.489e-08
d
yr
n .2419238157237686 2.6656e-09 deg/d
Q 2.842840493596583 2.0882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      488  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      1999-12-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:42:13  

Additional Information
 Earth MOID = 1.30895 au 
 Jupiter MOID = 2.21992 au 
 T_jup = 3.384 
[ 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 MPO348568  

212127 (2005 EF218)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 EF218 = 2003 XB35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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