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277311 (2005 SP186)
Classification: Main-belt Asteroid          SPK-ID: 2277311
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891239149430471 3.8967e-08  
a 2.306579982496001 9.6784e-09 au
q 1.870350546077092 9.0096e-08 au
i 2.432895281389573 6.4613e-06 deg
node 176.1980951857617 0.00010741 deg
peri 140.7083863805542 0.00010933 deg
M 107.2038918728902 1.9116e-05 deg
tp 2458619.469925018209
(2019-May-15.96992502)
6.78e-05 TDB
period 1279.53215687436
3.50
8.0533e-06
2.205e-08
d
yr
n .2813528351482839 1.7708e-09 deg/d
Q 2.74280941891491 1.1509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1998-10-13  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:10:25  

Additional Information
 Earth MOID = .857747 au 
 Jupiter MOID = 2.55177 au 
 T_jup = 3.562 
[ 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 17.3   n/a MPO503247  

277311 (2005 SP186)          Discovered 2005-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 SP186 = 1998 TB8 = 2004 FU157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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