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49174 (1998 SA64)
Classification: Main-belt Asteroid          SPK-ID: 2049174
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02073508822847346 3.1576e-08  
a 2.466687397544037 1.165e-08 au
q 2.415540416723898 8.0982e-08 au
i 8.819049200788418 4.4863e-06 deg
node 178.9104149588276 2.2215e-05 deg
peri 96.69358844183952 0.00015232 deg
M 317.1684893757476 0.00014683 deg
tp 2459168.856733309799
(2020-Nov-15.35673331)		 0.00057653 TDB
period 1415.042876335294
3.87		 1.0025e-05
2.745e-08		 d
yr
n .2544092522004246 1.8023e-09 deg/d
Q 2.517834378364176 1.1892e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1441  
   data-arc span      9929 days (27.18 yr)  
   first obs. used      1993-06-11  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:33:56  

Additional Information
 Earth MOID = 1.41871 au 
 Jupiter MOID = 2.48059 au 
 T_jup = 3.470 
[ 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 14.8   n/a MPO432050  

49174 (1998 SA64)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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