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226463 (2003 SD144)
Classification: Main-belt Asteroid          SPK-ID: 2226463
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07772106458237671 1.074e-07  
a 3.155512608618555 4.2909e-08 au
q 2.910262809373608 3.5441e-07 au
i 16.44514748072763 1.0765e-05 deg
node 33.26360002760228 2.9357e-05 deg
peri 289.8732125557358 6.0447e-05 deg
M 33.68826019396626 5.3078e-05 deg
tp 2458808.907109911625
(2019-Nov-21.40710991)
0.00030108 TDB
period 2047.402864816642
5.61
4.1762e-05
1.143e-07
d
yr
n .1758325174719535 3.5865e-09 deg/d
Q 3.400762407863502 4.6244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      5365 days (14.69 yr)  
   first obs. used      2003-08-31  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61013  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:47:04  

Additional Information
 Earth MOID = 1.95033 au 
 Jupiter MOID = 1.90844 au 
 T_jup = 3.138 
[ 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 14.9   n/a MPO440183  

226463 (2003 SD144)          Discovered 2003-Sep-21 by NEAT at Haleakala
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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