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115292 (2003 SM198)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115292
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02883033984885713 7.186e-08  
a 3.234191826893547 2.9887e-08 au
q 3.14094897738781 2.3716e-07 au
i 8.837841826368152 6.6015e-06 deg
node 317.754784822532 3.0363e-05 deg
peri 198.9183058408341 9.4634e-05 deg
M 205.0497483230332 9.4279e-05 deg
tp 2460114.901384581063
(2023-Jun-19.40138458)
0.00056154 TDB
period 2124.452815574973
5.82
2.9448e-05
8.062e-08
d
yr
n .1694553992259733 2.3489e-09 deg/d
Q 3.327434676399284 3.0748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      9834 days (26.92 yr)  
   first obs. used      1994-02-12  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:54  

Additional Information
 Earth MOID = 2.15239 au 
 Jupiter MOID = 1.69341 au 
 T_jup = 3.166 
[ 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 14.51   n/a E2021B55  
diameter diameter 7.831 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115292 (2003 SM198)          Discovered 2003-Sep-21 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SM198 = 2002 PE51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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