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47818 (2000 EA91)
Classification: Main-belt Asteroid          SPK-ID: 2047818
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680692620700111 3.7988e-08  
a 2.786827028290394 1.4265e-08 au
q 2.318447066128865 1.0906e-07 au
i 8.041721977898103 4.289e-06 deg
node 322.7085820093582 2.825e-05 deg
peri 62.47411890187251 3.0884e-05 deg
M 269.1640553880609 1.4524e-05 deg
tp 2459429.264365238712
(2021-Aug-02.76436524)
7.0434e-05 TDB
period 1699.274138066798
4.65
1.3047e-05
3.572e-08
d
yr
n .2118551632931687 1.6266e-09 deg/d
Q 3.255206990451922 1.6662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1493  
   data-arc span      11144 days (30.51 yr)  
   first obs. used      1990-02-01  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:30:36  

Additional Information
 Earth MOID = 1.33473 au 
 Jupiter MOID = 2.28587 au 
 T_jup = 3.296 
[ 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 13.6   n/a MPO474355  
diameter diameter 5.558 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47818 (2000 EA91)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EA91 = 1990 CJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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