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20803 (2000 SK188)
Classification: Main-belt Asteroid          SPK-ID: 2020803
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07465597239065835 4.3179e-08  
a 3.136801435511138 1.9466e-08 au
q 2.90262047414664 1.4085e-07 au
i 5.184832819198181 4.2442e-06 deg
node 250.6975137817806 4.8776e-05 deg
peri 342.3187953014321 5.663e-05 deg
M 16.10331718492573 2.7168e-05 deg
tp 2459109.730108688142
(2020-Sep-17.23010869)
0.00015341 TDB
period 2029.219228374743
5.56
1.8889e-05
5.172e-08
d
yr
n .1774081355853965 1.6514e-09 deg/d
Q 3.370982396875635 2.0919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   data-arc span      12095 days (33.11 yr)  
   first obs. used      1987-05-30  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:31:49  

Additional Information
 Earth MOID = 1.8905 au 
 Jupiter MOID = 1.63703 au 
 T_jup = 3.201 
[ 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 13.64   n/a E2021B10  

20803 (2000 SK188)          Discovered 2000-Sep-21 by JPL/GEODSS NEAT at Haleakala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SK188 = 1987 KO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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