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JPL Small-Body Database Browser
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52247 (1981 EP10)
Classification: Main-belt Asteroid          SPK-ID: 2052247
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09789944272523664 4.0329e-08  
a 2.402999784547088 1.3548e-08 au
q 2.167747444771064 9.601e-08 au
i 5.89029144027151 7.5379e-06 deg
node 311.0907331211242 4.1354e-05 deg
peri 296.7375291827444 5.9033e-05 deg
M 25.72547193585731 4.1325e-05 deg
tp 2458503.272330829956
(2019-Jan-19.77233083)
0.00015636 TDB
period 1360.595482504195
3.73
1.1506e-05
3.15e-08
d
yr
n .2645900303427547 2.2376e-09 deg/d
Q 2.638252124323112 1.4874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      15638 days (42.81 yr)  
   first obs. used      1977-02-11  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:59:33  

Additional Information
 Earth MOID = 1.1611 au 
 Jupiter MOID = 2.41367 au 
 T_jup = 3.511 
[ 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 15.6   n/a MPO395493  

52247 (1981 EP10)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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