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295993 (2008 YY89)
Classification: Main-belt Asteroid          SPK-ID: 2295993
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144439821151325 7.021e-08  
a 2.341086090626274 1.6978e-08 au
q 2.073162875940655 1.6525e-07 au
i 1.055285836771381 4.9645e-06 deg
node 210.0818924718201 0.00037657 deg
peri 160.9561972381469 0.00037793 deg
M 146.5062884976602 3.356e-05 deg
tp 2458468.050688969827
(2018-Dec-15.55068897)
0.00011892 TDB
period 1308.351702418041
3.58
1.4233e-05
3.897e-08
d
yr
n .2751553724695455 2.9932e-09 deg/d
Q 2.609009305311892 1.8921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6598 days (18.06 yr)  
   first obs. used      2002-01-08  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:44:21  

Additional Information
 Earth MOID = 1.07286 au 
 Jupiter MOID = 2.85537 au 
 T_jup = 3.555 
[ 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 17.8   n/a MPO460242  

295993 (2008 YY89)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 YY89 = 2004 TJ266 = 2006 EH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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