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295958 (2008 YK4)
Classification: Main-belt Asteroid          SPK-ID: 2295958
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122867470823263 5.212e-08  
a 2.370294662513682 1.5337e-08 au
q 2.079062552224747 1.1618e-07 au
i 5.533926212597514 5.3105e-06 deg
node 264.2988201761109 4.8351e-05 deg
peri 141.6953849807892 5.6731e-05 deg
M 97.22047752577403 2.8512e-05 deg
tp 2458640.537562621321
(2019-Jun-06.03756262)
0.00010417 TDB
period 1332.913402137629
3.65
1.2937e-05
3.542e-08
d
yr
n .2700850628575407 2.6213e-09 deg/d
Q 2.661526772802618 1.7221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9580 days (26.23 yr)  
   first obs. used      1993-11-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:50  

Additional Information
 Earth MOID = 1.09222 au 
 Jupiter MOID = 2.68605 au 
 T_jup = 3.529 
[ 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 17.1   n/a MPO455188  

295958 (2008 YK4)          Discovered 2008-Dec-22 by Kugel, F. at Chante-Perdrix
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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