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48418 (1988 EA1)
Classification: Main-belt Asteroid          SPK-ID: 2048418
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2325956890156713 4.1548e-08  
a 2.612328574747417 9.5229e-09 au
q 2.004712209968714 1.0784e-07 au
i 12.83129739632523 3.4027e-06 deg
node 165.2501748044984 1.9438e-05 deg
peri 84.75799292152503 2.0361e-05 deg
M 79.97729317819883 6.636e-06 deg
tp 2458257.886612459241
(2018-May-19.38661246)
2.8097e-05 TDB
period 1542.19797411567
4.22
8.4328e-06
2.309e-08
d
yr
n .2334330650423995 1.2764e-09 deg/d
Q 3.219944939526119 1.1738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      11580 days (31.70 yr)  
   first obs. used      1988-03-13  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:34:47  

Additional Information
 Earth MOID = 1.04012 au 
 Jupiter MOID = 1.97785 au 
 T_jup = 3.336 
[ 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 14.6   n/a MPO347857  
diameter diameter 6.433 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48418 (1988 EA1)          Discovered 1988-Mar-13 by Jensen, P. at Brorfelde
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 EA1 = 2000 AH202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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