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JPL Small-Body Database Browser
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364888 (2008 EN57)
Classification: Main-belt Asteroid          SPK-ID: 2364888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994403958439815 9.4905e-08  
a 2.576948882955321 3.4292e-08 au
q 2.063001177669006 2.6208e-07 au
i 14.75018084616702 6.125e-06 deg
node 159.9479954722624 2.7588e-05 deg
peri 222.436284532369 3.1376e-05 deg
M 43.89942612739616 1.1211e-05 deg
tp 2458416.247463661789
(2018-Oct-24.74746366)
4.8141e-05 TDB
period 1510.974491768148
4.14
3.016e-05
8.257e-08
d
yr
n .2382568348845694 4.7557e-09 deg/d
Q 3.090896588241636 4.1131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      3981 days (10.90 yr)  
   first obs. used      2008-02-18  
   last obs. used      2019-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50805  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:39:24  

Additional Information
 Earth MOID = 1.08563 au 
 Jupiter MOID = 2.42418 au 
 T_jup = 3.353 
[ 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 15.7   n/a MPO455635  

364888 (2008 EN57)          Discovered 2008-Feb-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-06-26

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