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190809 (2001 RY104)
Classification: Main-belt Asteroid          SPK-ID: 2190809
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453943135205331 3.819e-08  
a 2.326389912009523 1.4871e-08 au
q 1.988146047771805 8.7903e-08 au
i 10.00441623435821 5.8361e-06 deg
node 15.2033563744354 2.3353e-05 deg
peri 270.0736089607925 3.3073e-05 deg
M 204.4392451802682 2.6508e-05 deg
tp 2459760.540876713989
(2022-Jun-30.04087671)		 9.8819e-05 TDB
period 1296.051281383103
3.55		 1.2428e-05
3.403e-08		 d
yr
n .2777667868325548 2.6634e-09 deg/d
Q 2.664633776247241 1.7034e-08 au
   Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      2001-09-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:12  

Additional Information
 Earth MOID = 1.00104 au 
 Jupiter MOID = 2.53399 au 
 T_jup = 3.540 
[ 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 16.7   n/a MPO449947  

190809 (2001 RY104)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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