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201598 (2003 SA155)
Classification: Main-belt Asteroid          SPK-ID: 2201598
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08011265482273848 5.0346e-08  
a 2.739223968227811 2.7063e-08 au
q 2.519777463979005 1.4772e-07 au
i 4.462564014119827 5.963e-06 deg
node 300.359752691892 7.1316e-05 deg
peri 64.9291812776174 8.2292e-05 deg
M 250.3434726471258 4.4154e-05 deg
tp 2459504.896110631518
(2021-Oct-17.39611063)
0.00020699 TDB
period 1655.921486944544
4.53
2.454e-05
6.719e-08
d
yr
n .2174016116333275 3.2218e-09 deg/d
Q 2.958670472476618 2.9231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6143 days (16.82 yr)  
   first obs. used      2003-09-19  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59988  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:04:45  

Additional Information
 Earth MOID = 1.52136 au 
 Jupiter MOID = 2.43996 au 
 T_jup = 3.342 
[ 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 15.7   n/a MPO436980  
diameter diameter 3.398 km 0.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201598 (2003 SA155)          Discovered 2003-Sep-19 by LONEOS at Anderson Mesa
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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