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115426 (2003 SP311)
Classification: Main-belt Asteroid          SPK-ID: 2115426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07145509566747393 6.193e-08  
a 2.71944935645129 2.1343e-08 au
q 2.525130842523213 1.7098e-07 au
i 2.665727833033888 6.1594e-06 deg
node 48.75842975559687 0.00012192 deg
peri 338.9010019069241 0.00012705 deg
M 289.4189288489735 3.8664e-05 deg
tp 2459521.648305112075
(2021-Nov-03.14830511)
0.00017756 TDB
period 1638.022602305964
4.48
1.9283e-05
5.279e-08
d
yr
n .2197771871360027 2.5873e-09 deg/d
Q 2.913767870379368 2.2868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      8537 days (23.37 yr)  
   first obs. used      1996-01-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:31  

Additional Information
 Earth MOID = 1.5285 au 
 Jupiter MOID = 2.40951 au 
 T_jup = 3.354 
[ 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 15.86   n/a MPCxxxxx  

115426 (2003 SP311)          Discovered 2003-Sep-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SP311 = 1996 AX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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