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190863 (2001 SS280)
Classification: Main-belt Asteroid          SPK-ID: 2190863
[ 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 .1924081700918593 4.8931e-08  
a 2.373073618777759 8.8584e-09 au
q 1.916474866295464 1.1996e-07 au
i 1.780995742825038 4.6732e-06 deg
node 25.16245609218426 0.00013529 deg
peri 352.433204682582 0.00013585 deg
M 95.74770934539193 1.2618e-05 deg
tp 2458845.366913491028
(2019-Dec-27.86691349)		 4.5714e-05 TDB
period 1335.258169801666
3.66		 7.4766e-06
2.047e-08		 d
yr
n .2696107825001909 1.5096e-09 deg/d
Q 2.829672371260054 1.0563e-08 au
   Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      2001-09-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:25  

Additional Information
 Earth MOID = .91688 au 
 Jupiter MOID = 2.63389 au 
 T_jup = 3.517 
[ 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 16.6   n/a MPO251476  

190863 (2001 SS280)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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