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215857 (2005 EF52)
Classification: Main-belt Asteroid          SPK-ID: 2215857
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382530848633646 5.8199e-08  
a 2.412529861806796 1.6356e-08 au
q 2.07899016608702 1.4836e-07 au
i 2.109836939728297 5.4617e-06 deg
node 147.053584923792 0.00012141 deg
peri 76.66141038419023 0.00012299 deg
M 320.7404121109183 2.3299e-05 deg
tp 2459149.762499211215
(2020-Oct-27.26249921)
8.9366e-05 TDB
period 1368.697497993378
3.75
1.3919e-05
3.811e-08
d
yr
n .2630237875993706 2.6748e-09 deg/d
Q 2.746069557526572 1.8617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      9535 days (26.11 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:22:36  

Additional Information
 Earth MOID = 1.07134 au 
 Jupiter MOID = 2.23046 au 
 T_jup = 3.505 
[ 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 17.1   n/a MPO459961  

215857 (2005 EF52)          Discovered 2005-Mar-04 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2005 EF52 = 1999 SD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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