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78968 (2003 SL291)
Classification: Main-belt Asteroid          SPK-ID: 2078968
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07837167271191728 3.7904e-08  
a 2.432588652311506 1.1594e-08 au
q 2.241942610609824 8.9482e-08 au
i 3.475582129990857 3.9626e-06 deg
node 226.7317230534687 8.7708e-05 deg
peri 233.5976262772414 9.5896e-05 deg
M 77.74202584600151 3.8184e-05 deg
tp 2458701.235780944032
(2019-Aug-05.73578094)
0.00014668 TDB
period 1385.802822704415
3.79
9.9074e-06
2.712e-08
d
yr
n .2597772165721633 1.8572e-09 deg/d
Q 2.623234694013187 1.2503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      8533 days (23.36 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:53  

Additional Information
 Earth MOID = 1.26087 au 
 Jupiter MOID = 2.48272 au 
 T_jup = 3.500 
[ 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 16.0   n/a MPO453212  
diameter diameter 4.120 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78968 (2003 SL291)          Discovered 2003-Sep-29 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 SL291 = 1997 AY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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