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JPL Small-Body Database Browser
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48056 (2001 EF4)
Classification: Main-belt Asteroid          SPK-ID: 2048056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951427100982755 2.9648e-08  
a 2.393095097456661 1.0218e-08 au
q 1.926100034616071 7.1314e-08 au
i 3.967660101536561 4.1816e-06 deg
node 133.1115546972317 6.6805e-05 deg
peri 143.476288428265 6.8543e-05 deg
M 341.8691221349516 1.7609e-05 deg
tp 2459068.601188939882
(2020-Aug-07.10118894)
6.635e-05 TDB
period 1352.192000896932
3.70
8.6603e-06
2.371e-08
d
yr
n .2662343807397218 1.7051e-09 deg/d
Q 2.860090160297251 1.2212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      9052 days (24.78 yr)  
   first obs. used      1994-05-13  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:44:52  

Additional Information
 Earth MOID = .911449 au 
 Jupiter MOID = 2.27143 au 
 T_jup = 3.501 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO436118  

48056 (2001 EF4)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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