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183634 (2003 US403)
Classification: Main-belt Asteroid          SPK-ID: 2183634
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157729883654204 4.8865e-08  
a 2.367145702889916 1.3942e-08 au
q 1.993776086580541 1.159e-07 au
i 1.876211905161092 4.6845e-06 deg
node 129.1038871816803 0.00021699 deg
peri 299.7285258645932 0.00021808 deg
M 162.7752100173178 2.174e-05 deg
tp 2458399.019328060715
(2018-Oct-07.51932806)
7.8633e-05 TDB
period 1330.258101802512
3.64
1.1753e-05
3.218e-08
d
yr
n .2706241739946531 2.3909e-09 deg/d
Q 2.740515319199291 1.6141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7025 days (19.23 yr)  
   first obs. used      2001-01-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:40:09  

Additional Information
 Earth MOID = 1.00876 au 
 Jupiter MOID = 2.53531 au 
 T_jup = 3.530 
[ 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 17.8   n/a MPO469978  

183634 (2003 US403)          Discovered 2003-Oct-23 by Sloan Digital Sky Survey at Apache Point
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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