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JPL Small-Body Database Browser
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447720 (2007 EP154)
Classification: Main-belt Asteroid          SPK-ID: 2447720
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0960096833801707 6.8972e-08  
a 3.049293723148996 4.7047e-08 au
q 2.756531998256319 2.2201e-07 au
i 9.89953850177721 6.6897e-06 deg
node 202.8570593724164 4.7141e-05 deg
peri 308.805492039643 6.0741e-05 deg
M 128.4353393724948 3.8137e-05 deg
tp 2457906.628014769388
(2017-Jun-02.12801477)
0.0002026 TDB
period 1944.900180148666
5.32
4.5011e-05
1.232e-07
d
yr
n .1850994738313418 4.2838e-09 deg/d
Q 3.342055448041673 5.1564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1996-03-27  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:31  

Additional Information
 Earth MOID = 1.77907 au 
 Jupiter MOID = 1.6998 au 
 T_jup = 3.208 
[ 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 16.5   n/a MPO446777  

447720 (2007 EP154)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

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