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226441 (2003 SD48)
Classification: Main-belt Asteroid          SPK-ID: 2226441
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04378159314928845 4.0203e-08  
a 3.098126149804621 3.6337e-08 au
q 2.962485251188704 1.2544e-07 au
i 9.164877710628012 4.9038e-06 deg
node 282.7908550464997 4.0907e-05 deg
peri 344.7703601142467 9.1511e-05 deg
M 112.7626410066961 8.1192e-05 deg
tp 2458376.607433528612
(2018-Sep-15.10743353)
0.00045093 TDB
period 1991.806168466402
5.45
3.5042e-05
9.594e-08
d
yr
n .1807404785161316 3.1798e-09 deg/d
Q 3.233767048420538 3.7928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7244 days (19.83 yr)  
   first obs. used      1999-12-02  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55523  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:52:45  

Additional Information
 Earth MOID = 1.9473 au 
 Jupiter MOID = 1.87642 au 
 T_jup = 3.202 
[ 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 15.1   n/a MPO454625  
diameter diameter 4.080 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226441 (2003 SD48)          Discovered 2003-Sep-18 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 SD48 = 1999 XP140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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