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216997 (2000 ST51)
Classification: Main-belt Asteroid          SPK-ID: 2216997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390323583836273 7.4744e-08  
a 2.797113437198163 1.967e-08 au
q 2.128512815638152 2.0207e-07 au
i 7.765604402593942 5.8173e-06 deg
node 272.1171111303751 4.0731e-05 deg
peri 96.73560792815132 4.3301e-05 deg
M 112.9972690955405 1.1737e-05 deg
tp 2458664.173824740999
(2019-Jun-29.67382474)
5.4872e-05 TDB
period 1708.691056329788
4.68
1.8024e-05
4.935e-08
d
yr
n .2106875895829104 2.2224e-09 deg/d
Q 3.465714058758174 2.4372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7470 days (20.45 yr)  
   first obs. used      2000-09-23  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:57:08  

Additional Information
 Earth MOID = 1.14348 au 
 Jupiter MOID = 2.11157 au 
 T_jup = 3.271 
[ 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 16.39   n/a MPCxxxxx  

216997 (2000 ST51)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09

[ show close-approach data ]
Alternate Designations
 2000 ST51 = 2005 UR501 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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