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216993 (2000 SQ)
Classification: Main-belt Asteroid          SPK-ID: 2216993
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01008150606904225 5.2268e-08  
a 2.816286427561644 2.0327e-08 au
q 2.78789401885002 1.5226e-07 au
i 5.394268766448048 7.0104e-06 deg
node 1.728839690182021 4.3562e-05 deg
peri 109.2083670724775 0.00042301 deg
M 358.7700386604556 0.00041691 deg
tp 2459206.397970828608
(2020-Dec-22.89797083)
0.0019992 TDB
period 1726.289623936624
4.73
1.8689e-05
5.117e-08
d
yr
n .208539746174838 2.2577e-09 deg/d
Q 2.844678836273268 2.0532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      9261 days (25.36 yr)  
   first obs. used      1995-09-25  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:57:05  

Additional Information
 Earth MOID = 1.80714 au 
 Jupiter MOID = 2.13414 au 
 T_jup = 3.312 
[ 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 15.86   n/a MPCxxxxx  

216993 (2000 SQ)          Discovered 2000-Sep-19 by Spacewatch at Kitt Peak
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09

[ show close-approach data ]
Alternate Designations
 2000 SQ = 1995 SW39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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