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129311 (2005 SP203)
Classification: Main-belt Asteroid          SPK-ID: 2129311
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07698334865693261 5.4637e-08  
a 2.431131568251517 1.5318e-08 au
q 2.243974919101935 1.3951e-07 au
i 6.666401621949708 4.4752e-06 deg
node 267.4132361562459 4.5053e-05 deg
peri 99.35142295021397 5.4103e-05 deg
M 308.2302102501428 3.1088e-05 deg
tp 2459199.606308893455
(2020-Dec-16.10630889)
0.00012032 TDB
period 1384.557896564406
3.79
1.3085e-05
3.582e-08
d
yr
n .2600107954266784 2.4574e-09 deg/d
Q 2.618288217401099 1.6497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      7899 days (21.63 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:40:17  

Additional Information
 Earth MOID = 1.25431 au 
 Jupiter MOID = 2.72654 au 
 T_jup = 3.494 
[ 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 16.1   n/a MPO432772  

129311 (2005 SP203)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2005 SP203 = 2003 BO17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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