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JPL Small-Body Database Browser
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(2007 EF)
Classification: Aten [NEO, PHA]          SPK-ID: 3370167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4100506244155415 3.3917e-07  
a .820298521186241 7.6763e-09 au
q .4839346003666776 2.8264e-07 au
i 21.73506535959754 4.6122e-05 deg
node 158.3536725366989 1.4899e-05 deg
peri 226.0278917973558 1.5213e-05 deg
M 25.95412453160152 3.6229e-05 deg
tp 2458980.935885173410
(2020-May-11.43588517)
2.7056e-05 TDB
period 271.3665540518093
0.74
3.8091e-06
1.043e-08
d
yr
n 1.326618902089418 1.8622e-08 deg/d
Q 1.156662442005804 1.0824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4465 days (12.22 yr)  
   first obs. used      2007-03-09  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48378  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-10 07:27:24  

Additional Information
 Earth MOID = .0252961 au 
 Jupiter MOID = 4.34442 au 
 T_jup = 7.016 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.4   n/a MPO264964  
diameter diameter 0.260 km 0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.072   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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