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249791 (2000 YK2)
Classification: Main-belt Asteroid          SPK-ID: 2249791
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250815290195839 4.3632e-08  
a 2.305260325103075 1.5971e-08 au
q 2.016914838850999 1.0646e-07 au
i 5.144548138188085 5.2138e-06 deg
node 252.5262099237693 4.6849e-05 deg
peri 129.4747365813013 5.1425e-05 deg
M 239.0178720203373 2.2057e-05 deg
tp 2459430.132482641281
(2021-Aug-03.63248264)
8.0613e-05 TDB
period 1278.434231020146
3.50
1.3286e-05
3.638e-08
d
yr
n .2815944624016617 2.9264e-09 deg/d
Q 2.59360581135515 1.7969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:15:15  

Additional Information
 Earth MOID = 1.02496 au 
 Jupiter MOID = 2.85524 au 
 T_jup = 3.573 
[ 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 16.9   n/a MPO427418  

249791 (2000 YK2)          Discovered 2000-Dec-19 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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