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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422199598405395 4.2441e-08  
a 2.527889142614265 7.2929e-09 au
q 1.915583936008902 1.0718e-07 au
i 4.30125183344717 4.1528e-06 deg
node 196.8525774541565 3.7478e-05 deg
peri 130.3513317664171 3.8322e-05 deg
M 225.8693198136589 9.5819e-06 deg
tp 2459747.466955869919
(2022-Jun-16.96695587)
4.0029e-05 TDB
period 1468.031801819065
4.02
6.3528e-06
1.739e-08
d
yr
n .2452262952028134 1.0612e-09 deg/d
Q 3.140194349219628 9.0593e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      11108 days (30.41 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:48  

Additional Information
 Earth MOID = .905805 au 
 Jupiter MOID = 2.23733 au 
 T_jup = 3.407 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.54   n/a E2021B10  
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

Alternate Designations
 1998 SA = 2000 CU18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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