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78942 (2003 SA171)
Classification: Main-belt Asteroid          SPK-ID: 2078942
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2213189791390746 5.6072e-08  
a 2.396064172968007 1.0258e-08 au
q 1.865769696255016 1.3658e-07 au
i 4.342597267158077 4.6751e-06 deg
node 133.239129857672 7.0057e-05 deg
peri 248.6195579655737 7.071e-05 deg
M 180.3763307994705 1.0673e-05 deg
tp 2459676.438459801354
(2022-Apr-06.93845980)
4.3037e-05 TDB
period 1354.709246345638
3.71
8.6999e-06
2.382e-08
d
yr
n .2657396788064369 1.7066e-09 deg/d
Q 2.926358649680997 1.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      9514 days (26.05 yr)  
   first obs. used      1994-04-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:36:30  

Additional Information
 Earth MOID = .873853 au 
 Jupiter MOID = 2.5392 au 
 T_jup = 3.491 
[ 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 16.5   n/a MPO468745  

78942 (2003 SA171)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SA171 = 1999 RL56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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