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213256 (2001 EK16)
Classification: Main-belt Asteroid          SPK-ID: 2213256
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08876828810837116 4.1713e-08  
a 2.85141962069831 1.875e-08 au
q 2.5983039822903 1.2538e-07 au
i 15.0748467879407 4.896e-06 deg
node 10.94550674001038 1.6279e-05 deg
peri 122.4018169761804 3.5023e-05 deg
M 65.93262441996629 2.8725e-05 deg
tp 2458878.402028602621
(2020-Jan-29.90202860)
0.00014033 TDB
period 1758.693374079343
4.82
1.7347e-05
4.749e-08
d
yr
n .2046974221350303 2.019e-09 deg/d
Q 3.104535259106319 2.0414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      21767 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:58  

Additional Information
 Earth MOID = 1.6413 au 
 Jupiter MOID = 1.94307 au 
 T_jup = 3.249 
[ 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 15.21   n/a E2021B55  
diameter diameter 2.588 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213256 (2001 EK16)          Discovered 2001-Mar-15 by NEAT at Haleakala
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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