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46949 (1998 SL117)
Classification: Main-belt Asteroid          SPK-ID: 2046949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1045309658700436 3.9944e-08  
a 2.591335350185991 1.3601e-08 au
q 2.320460563137862 1.0787e-07 au
i 10.0987297455249 4.2383e-06 deg
node 214.5909652766041 2.2069e-05 deg
peri 355.5168506243797 2.9458e-05 deg
M 139.3998316995733 2.1887e-05 deg
tp 2458010.511420638012
(2017-Sep-14.01142064)
9.0617e-05 TDB
period 1523.645229558521
4.17
1.1995e-05
3.284e-08
d
yr
n .2362754747732913 1.8601e-09 deg/d
Q 2.86221013723412 1.5022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1598  
   data-arc span      9136 days (25.01 yr)  
   first obs. used      1994-10-26  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:29:42  

Additional Information
 Earth MOID = 1.31516 au 
 Jupiter MOID = 2.10739 au 
 T_jup = 3.390 
[ 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 14.0   n/a MPO412498  
diameter diameter 4.182 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46949 (1998 SL117)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SL117 = 2000 AE166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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