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JPL Small-Body Database Browser
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201611 (2003 SP203)
Classification: Main-belt Asteroid          SPK-ID: 2201611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238381041034092 9.5214e-08  
a 2.76728533311721 2.9527e-08 au
q 2.424589963950803 2.6035e-07 au
i 4.06892013878345 9.6053e-06 deg
node 17.91069095191995 8.4244e-05 deg
peri 2.576860407925079 9.0086e-05 deg
M 206.6231978249768 2.71e-05 deg
tp 2459716.868559156702
(2022-May-17.36855916)
0.000127 TDB
period 1681.432117760045
4.60
2.6911e-05
7.368e-08
d
yr
n .2141032017870465 3.4267e-09 deg/d
Q 3.109980702283616 3.3184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5618 days (15.38 yr)  
   first obs. used      2003-09-22  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:49:03  

Additional Information
 Earth MOID = 1.4271 au 
 Jupiter MOID = 2.35085 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457022.5 (2014-Dec-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229759248304024 9.4573e-08  
q 2.428302875474107 2.5815e-07 au
tp 2456355.751834483258
(2013-Mar-04.25183448)
0.00013687 TDB
node 17.93026460858373 8.4256e-05 deg
peri 3.173219606964309 9.0264e-05 deg
i 4.068175897909204 9.602e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5618 days (15.38 yr)  
   first obs. used      2003-09-22  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:49:03  

Additional Information
 Jupiter MOID = 2.35085 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.944143111905582E-15 -2.429135397536927E-14 -5.460711840075495E-12 4.652877953792762E-14 -1.481367695482557E-12 -1.513646233250065E-15
q -2.429135397536927E-14 6.664137804450551E-14 1.381640911463047E-11 -1.322140911607458E-13 3.860215051678122E-12 5.700032502044928E-15
tp -5.460711840075495E-12 1.381640911463047E-11 1.873391445484029E-8 -1.458095023910331E-11 4.430320476833616E-9 -6.669965729239066E-12
node 4.652877953792762E-14 -1.322140911607458E-13 -1.458095023910331E-11 7.099117921414326E-9 -7.08493081249262E-9 -1.030678253509087E-10
peri -1.481367695482557E-12 3.860215051678122E-12 4.430320476833616E-9 -7.08493081249262E-9 8.147665006746072E-9 1.015477189748685E-10
i -1.513646233250065E-15 5.700032502044928E-15 -6.669965729239066E-12 -1.030678253509087E-10 1.015477189748685E-10 9.219932217523095E-11

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 16.5   n/a MPO433321  

201611 (2003 SP203)          Discovered 2003-Sep-22 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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