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359659 (2011 SP54)
Classification: Main-belt Asteroid          SPK-ID: 2359659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08498949688421954 7.7271e-08  
a 2.204986422485865 2.6756e-08 au
q 2.017585735802256 1.819e-07 au
i 4.899518017260347 7.08e-06 deg
node 54.19207414621236 8.7814e-05 deg
peri 165.9329163033946 0.0001024 deg
M 25.13537163156641 6.0741e-05 deg
tp 2458916.999300007725
(2020-Mar-08.49930001)
0.00020094 TDB
period 1195.934257023981
3.27
2.1768e-05
5.96e-08
d
yr
n .3010198912571003 5.479e-09 deg/d
Q 2.392387109169474 2.903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4141 days (11.34 yr)  
   first obs. used      2008-09-22  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:45:25  

Additional Information
 Earth MOID = 1.00945 au 
 Jupiter MOID = 2.57559 au 
 T_jup = 3.652 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO471702  

359659 (2011 SP54)          Discovered 2008-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2011 SP54 = 2010 GY123 = 2013 CQ117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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