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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1998-Aug-26 14:02 00:06 Amphi 0.0370966390688857 0.0370913539404904 0.037101924260142 1.4446192243192 1.44461911704752 2451052.084429740 5.68217386432707 275.007952684583 87.1508690723462 -18.1137289582258 27457.2418975007 T 10 CATAB v2.0e-lin.ifort 2019-Jul-13 17:49:05 2019-Jul-13 17:49
2053-Jun-08 04:34 00:02 Eunom 0.0348439623764796 0.0348395288707631 0.034848404650869 3.72882880868593 3.72882870064361 2471061.690499820 2.12969746453743 939.366108529872 66.5772733523226 77.0023288009832 76205.9882507465 T 10 CATAB v2.0e-lin.ifort 2019-Jul-13 17:49:05 2019-Jul-13 17:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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