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78594 (2002 SQ20)
Classification: Main-belt Asteroid          SPK-ID: 2078594
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04963536600472623 4.5483e-08  
a 2.864310838067075 1.8684e-08 au
q 2.722139721268312 1.2992e-07 au
i 2.305011492879176 4.5753e-06 deg
node 160.8700916567808 0.00012757 deg
peri 265.1457057896988 0.00013738 deg
M 177.2873705904688 5.3252e-05 deg
tp 2458128.525179123939
(2018-Jan-10.02517912)		 0.00025799 TDB
period 1770.633376026044
4.85		 1.7325e-05
4.743e-08		 d
yr
n .2033170756150396 1.9894e-09 deg/d
Q 3.006481954865839 1.9611e-08 au
   Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      8287 days (22.69 yr)  
   first obs. used      1997-10-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58877  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:16  

Additional Information
 Earth MOID = 1.73683 au 
 Jupiter MOID = 2.14399 au 
 T_jup = 3.297 
[ 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 15.4   n/a MPO247906  

78594 (2002 SQ20)          Discovered 2002-Sep-26 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 SQ20 = 1997 TP16 = 2000 GM36 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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