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233919 (2009 SP154)
Classification: Main-belt Asteroid          SPK-ID: 2233919
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 .1651005327743052 6.6418e-08  
a 3.087758175063209 3.8888e-08 au
q 2.577967655282057 2.0303e-07 au
i 1.151298824477573 7.691e-06 deg
node 47.10070024325336 0.00056116 deg
peri 4.001651038253185 0.00056239 deg
M 318.2287643637655 3.7768e-05 deg
tp 2459230.452517609944
(2021-Jan-15.95251761)
0.00020877 TDB
period 1981.81607698887
5.43
3.7439e-05
1.025e-07
d
yr
n .1816515690734412 3.4317e-09 deg/d
Q 3.597548694844361 4.5309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6779 days (18.56 yr)  
   first obs. used      1998-08-26  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72538  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 21:11:42  

Additional Information
 Earth MOID = 1.58871 au 
 Jupiter MOID = 1.77752 au 
 T_jup = 3.204 
[ 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 17.0   n/a MPO372545  

233919 (2009 SP154)          Discovered 2009-Sep-20 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 SP154 = 1998 QE60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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