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212098 (2005 EL139)
Classification: Main-belt Asteroid          SPK-ID: 2212098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03087114396215734 4.704e-08  
a 2.736734596144594 2.2998e-08 au
q 2.652248468440798 1.3074e-07 au
i 3.374770724151296 5.361e-06 deg
node 52.0278366986508 7.8844e-05 deg
peri 188.3168872915848 0.00011572 deg
M 86.6474940008863 8.2535e-05 deg
tp 2458602.483610097539
(2019-Apr-28.98361010)
0.00037998 TDB
period 1653.664679135676
4.53
2.0844e-05
5.707e-08
d
yr
n .217698306399192 2.7441e-09 deg/d
Q 2.82122072384839 2.3708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1998-11-24  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58883  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:02:58  

Additional Information
 Earth MOID = 1.63949 au 
 Jupiter MOID = 2.15505 au 
 T_jup = 3.349 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO437019  

212098 (2005 EL139)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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