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8566 (1996 EN)
Classification: Apollo [NEO, PHA]          SPK-ID: 2008566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 189 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4304708691145131 4.4188e-08  
a 1.506330672447865 2.0027e-09 au
q .8578991987053836 6.6553e-08 au
i 37.97747621327824 9.9945e-06 deg
node 164.1275026999043 6.2641e-06 deg
peri 125.1370836449348 9.2979e-06 deg
M 63.76083465787715 8.3684e-06 deg
tp 2459080.900215036932
(2020-Aug-19.40021504)
1.5549e-05 TDB
period 675.2722547898021
1.85
1.3467e-06
3.687e-09
d
yr
n .53311830516724 1.0632e-09 deg/d
Q 2.154762146190347 2.8648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      13767 days (37.69 yr)  
   first obs. used      1983-04-06  
   last obs. used      2020-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50832  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:37  

Additional Information
 Earth MOID = .0229941 au 
 Jupiter MOID = 3.48774 au 
 T_jup = 4.220 
[ 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 16.39   n/a E2021B10  
diameter diameter 1.568 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 4.849 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 200-213.]
geometric albedo albedo 0.217   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
SMASSII spectral type spec_B U   n/a Binzel et al. (2004) Icarus 170, 259-294  

8566 (1996 EN)          Discovered 1996-Mar-15 by JPL/GEODSS NEAT at Haleakala
Reference: 19980313/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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