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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0488914347584344 4.4554e-08  
a 2.866381342694888 1.843e-08 au
q 2.726239846285727 1.2693e-07 au
i 2.305404451727738 4.5644e-06 deg
node 160.8346921812482 0.00012452 deg
peri 264.9554114140367 0.00013478 deg
M 218.1498352059616 5.3873e-05 deg
tp 2459898.936171839102
(2022-Nov-15.43617184)
0.00026858 TDB
period 1772.553611249976
4.85
1.7095e-05
4.68e-08
d
yr
n .203096819027174 1.9588e-09 deg/d
Q 3.006522839104049 1.9331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      8287 days (22.69 yr)  
   first obs. used      1997-10-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:37:33  

Additional Information
 Earth MOID = 1.74023 au 
 Jupiter MOID = 2.14154 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 15.47   n/a E2021B10  

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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