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46951 (1998 SQ118)
Classification: Main-belt Asteroid          SPK-ID: 2046951
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202990027154987 4.6394e-08  
a 2.566691029071367 1.0694e-08 au
q 2.001251555088128 1.2e-07 au
i 7.42445778307112 4.736e-06 deg
node 194.1997006658592 3.8437e-05 deg
peri 122.3758056852187 3.9869e-05 deg
M 137.1001839237 1.3158e-05 deg
tp 2458428.502207746264
(2018-Nov-06.00220775)
5.252e-05 TDB
period 1501.961553355351
4.11
9.387e-06
2.57e-08
d
yr
n .2396865613475707 1.498e-09 deg/d
Q 3.132130503054606 1.305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      8336 days (22.82 yr)  
   first obs. used      1997-04-01  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:38:16  

Additional Information
 Earth MOID = 1.00006 au 
 Jupiter MOID = 2.23698 au 
 T_jup = 3.386 
[ 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 14.3   n/a MPO347849  
diameter diameter 3.245 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.384   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46951 (1998 SQ118)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SQ118 = 2000 AJ182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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