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115421 (2003 SN306)
Classification: Main-belt Asteroid          SPK-ID: 2115421
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108970548984795 4.0054e-08  
a 2.241322330992098 8.4991e-09 au
q 1.99276628540688 9.0173e-08 au
i 6.453505748670809 3.9545e-06 deg
node 310.0661713152785 3.5027e-05 deg
peri 237.821932872631 3.8759e-05 deg
M 256.2263830917246 1.721e-05 deg
tp 2459553.796518007389
(2021-Dec-05.29651801)
5.9432e-05 TDB
period 1225.617360866194
3.36
6.9713e-06
1.909e-08
d
yr
n .2937295207254352 1.6707e-09 deg/d
Q 2.489878376577317 9.4416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      8890 days (24.34 yr)  
   first obs. used      1996-10-07  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:29  

Additional Information
 Earth MOID = 1.00268 au 
 Jupiter MOID = 2.49895 au 
 T_jup = 3.618 
[ 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 15.71   n/a MPCxxxxx  
rotation period rot_per 7.400 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

115421 (2003 SN306)          Discovered 2003-Sep-30 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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