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102205 (1999 SB20)
Classification: Main-belt Asteroid          SPK-ID: 2102205
[ 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 .1554387516387303 4.2083e-08  
a 2.265285045391969 1.1637e-08 au
q 1.913171965830357 9.6225e-08 au
i 8.740918516470888 4.5189e-06 deg
node 82.9385307014515 3.424e-05 deg
peri 226.580188889814 3.8356e-05 deg
M 126.1408212538824 1.9527e-05 deg
tp 2458764.149108903731
(2019-Oct-07.64910890)		 6.6691e-05 TDB
period 1245.325020347623
3.41		 9.5957e-06
2.627e-08		 d
yr
n .2890811588283265 2.2275e-09 deg/d
Q 2.617398124953581 1.3445e-08 au
   Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      9362 days (25.63 yr)  
   first obs. used      1995-06-01  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:50  

Additional Information
 Earth MOID = .90788 au 
 Jupiter MOID = 2.62268 au 
 T_jup = 3.585 
[ 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 15.7   n/a MPO337997  

102205 (1999 SB20)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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