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268516 (2005 YR189)
Classification: Main-belt Asteroid          SPK-ID: 2268516
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 .02563848801016676 7.0977e-08  
a 2.712003619886836 2.7289e-08 au
q 2.642471947594838 1.9513e-07 au
i 2.721963746404684 6.4964e-06 deg
node 139.8419985809151 0.00014071 deg
peri 257.3617678258836 0.00019412 deg
M 149.7664403600721 0.00013511 deg
tp 2458321.850034979062
(2018-Jul-22.35003498)
0.00061025 TDB
period 1631.299954917485
4.47
2.4622e-05
6.741e-08
d
yr
n .2206828970446515 3.3309e-09 deg/d
Q 2.781535292178833 2.7989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      7066 days (19.35 yr)  
   first obs. used      2000-11-17  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:12:29  

Additional Information
 Earth MOID = 1.64963 au 
 Jupiter MOID = 2.3043 au 
 T_jup = 3.360 
[ 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 MPO418425  

268516 (2005 YR189)          Discovered 2005-Dec-29 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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