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308641 (2005 YK176)
Classification: Main-belt Asteroid          SPK-ID: 2308641
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 .1525713221467598 5.957e-08  
a 2.160766780145812 1.9305e-08 au
q 1.831095735648168 1.3564e-07 au
i 2.640760935167193 5.3184e-06 deg
node 294.5731216159045 0.00014426 deg
peri 337.6756938062291 0.00014688 deg
M 37.33433476532163 3.5328e-05 deg
tp 2458880.185994675270
(2020-Jan-31.68599468)
0.00011257 TDB
period 1160.139645962962
3.18
1.5547e-05
4.257e-08
d
yr
n .3103074713916752 4.1585e-09 deg/d
Q 2.490437824643455 2.225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6376 days (17.46 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:21:20  

Additional Information
 Earth MOID = .815157 au 
 Jupiter MOID = 2.60544 au 
 T_jup = 3.680 
[ 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 17.6   n/a MPO427642  

308641 (2005 YK176)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 YK176 = 2004 RA202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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