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86581 (2000 EW54)
Classification: Main-belt Asteroid          SPK-ID: 2086581
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169393435520871 3.7699e-08  
a 2.202146287319907 7.0018e-09 au
q 1.724414117343061 8.4784e-08 au
i 8.971256113144417 4.1978e-06 deg
node 52.30553949048371 2.3608e-05 deg
peri 299.9174142605191 2.5086e-05 deg
M 281.9982424078863 8.7491e-06 deg
tp 2459259.124439843783
(2021-Feb-13.62443984)
2.9505e-05 TDB
period 1193.624364602461
3.27
5.6928e-06
1.559e-08
d
yr
n .3016024225677555 1.4384e-09 deg/d
Q 2.679878457296754 8.5208e-09 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      7853 days (21.50 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:22:31  

Additional Information
 Earth MOID = .741024 au 
 Jupiter MOID = 2.79599 au 
 T_jup = 3.617 
[ 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 15.8   n/a MPO325057  
diameter diameter 3.792 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86581 (2000 EW54)          Discovered 2000-Mar-10 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 EW54 = 2001 RH76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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