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469922 (2005 YN177)
Classification: Main-belt Asteroid          SPK-ID: 2469922
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 .3517080522359454 5.1172e-07  
a 2.746220795985861 2.0974e-07 au
q 1.780352828819826 1.5365e-06 au
i 15.06347210681746 7.1964e-05 deg
node 300.5942953635031 4.6226e-05 deg
peri 256.0688139887945 0.00056509 deg
M 14.45968890578273 0.00056771 deg
tp 2458933.733585728257
(2020-Mar-25.23358573)
0.0026138 TDB
period 1662.270142493528
4.55
0.00019043
5.214e-07
d
yr
n .2165712965643319 2.481e-08 deg/d
Q 3.712088763151896 2.8351e-07 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      1997-01-10  
   last obs. used      2016-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:37:39  

Additional Information
 Earth MOID = .84953 au 
 Jupiter MOID = 1.69372 au 
 T_jup = 3.208 
[ 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 17.4   n/a MPO383014  

469922 (2005 YN177)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

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