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46917 (1998 SA)
Classification: Main-belt Asteroid          SPK-ID: 2046917
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420599798036157 4.44e-08  
a 2.528280533170565 7.4102e-09 au
q 1.916284998373423 1.1189e-07 au
i 4.300575141422251 4.1805e-06 deg
node 196.8597356597371 3.8391e-05 deg
peri 130.3163100246949 3.9232e-05 deg
M 176.867457695558 9.6452e-06 deg
tp 2458279.090677001287
(2018-Jun-09.59067700)
3.8281e-05 TDB
period 1468.372755866548
4.02
6.4555e-06
1.767e-08
d
yr
n .2451693540088524 1.0779e-09 deg/d
Q 3.140276067967706 9.2039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1929  
   data-arc span      10772 days (29.49 yr)  
   first obs. used      1990-10-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:55  

Additional Information
 Earth MOID = .908422 au 
 Jupiter MOID = 2.23698 au 
 T_jup = 3.407 
[ 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 14.5   n/a MPO412498  
diameter diameter 2.735 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.410   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46917 (1998 SA)          Discovered 1998-Sep-16 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SA = 2000 CU18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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