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215740 (2004 ED)
Classification: Main-belt Asteroid          SPK-ID: 2215740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252860626802477 9.3751e-08  
a 2.752739901559656 2.721e-08 au
q 2.407859957710434 2.5352e-07 au
i 13.76431251320671 7.4308e-06 deg
node 71.48114923739291 3.9992e-05 deg
peri 120.3718950786551 5.0374e-05 deg
M 175.1913795814355 2.6398e-05 deg
tp 2458188.686207039627
(2018-Mar-11.18620704)
0.00012351 TDB
period 1668.192614065717
4.57
2.4734e-05
6.772e-08
d
yr
n .2158024181168195 3.1997e-09 deg/d
Q 3.097619845408878 3.0619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6591 days (18.05 yr)  
   first obs. used      2000-05-27  
   last obs. used      2018-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:18:30  

Additional Information
 Earth MOID = 1.43666 au 
 Jupiter MOID = 1.96402 au 
 T_jup = 3.292 
[ 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 15.8   n/a MPO475768  

215740 (2004 ED)          Discovered 2004-Mar-09 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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