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JPL Small-Body Database Browser
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394392 (2007 EP88)
Classification: Aten [NEO]          SPK-ID: 2394392
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .88586395590494 2.2885e-07  
a .8372930983676586 1.364e-08 au
q .09556532199578045 1.9152e-07 au
i 20.747068282 5.4761e-05 deg
node 328.5320555250535 0.00012336 deg
peri 47.08017853680816 0.00011654 deg
M 203.5094210227156 8.9387e-05 deg
tp 2459122.146716407567
(2020-Sep-29.64671641)
7.2216e-05 TDB
period 279.843158565352
0.77
6.8384e-06
1.872e-08
d
yr
n 1.286434879614643 3.1436e-08 deg/d
Q 1.579020874739537 2.5724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      3694 days (10.11 yr)  
   first obs. used      2007-03-15  
   last obs. used      2017-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .62482  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:46:45  

Additional Information
 Earth MOID = .142659 au 
 Jupiter MOID = 3.97166 au 
 T_jup = 6.563 
[ 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 18.5   n/a MPO260774  
diameter diameter 0.636 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.174   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

394392 (2007 EP88)          Discovered 2007-Mar-15 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2014-05-15

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