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259515 (2003 SM404)
Classification: Main-belt Asteroid          SPK-ID: 2259515
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1075779188596255 4.5818e-08  
a 2.362589248319826 1.7875e-08 au
q 2.108426813865452 1.1693e-07 au
i 7.938173322451987 4.6668e-06 deg
node 75.77479849361592 3.7945e-05 deg
peri 208.0957481413982 4.5734e-05 deg
M 293.5953831165672 2.5932e-05 deg
tp 2459245.167641957528
(2021-Jan-30.66764196)
9.5862e-05 TDB
period 1326.41908407253
3.63
1.5053e-05
4.121e-08
d
yr
n .2714074339873678 3.0802e-09 deg/d
Q 2.6167516827742 1.9798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6589 days (18.04 yr)  
   first obs. used      2002-05-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:09:28  

Additional Information
 Earth MOID = 1.09558 au 
 Jupiter MOID = 2.49398 au 
 T_jup = 3.529 
[ 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 MPO470764  

259515 (2003 SM404)          Discovered 2003-Sep-27 by Sloan Digital Sky Survey at Apache Point
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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