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181303 (2006 QY20)
Classification: Main-belt Asteroid          SPK-ID: 2181303
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198193112457651 5.9237e-08  
a 2.394249330437579 1.2425e-08 au
q 1.919725603638508 1.4704e-07 au
i 3.688018221296437 5.6036e-06 deg
node 155.7707649368477 6.9882e-05 deg
peri 197.7993386415382 7.0793e-05 deg
M 305.4935632657174 1.3136e-05 deg
tp 2459405.379157588140
(2021-Jul-09.87915759)
5.0442e-05 TDB
period 1353.17039877861
3.70
1.0534e-05
2.884e-08
d
yr
n .2660418823268237 2.071e-09 deg/d
Q 2.86877305723665 1.4888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      6013 days (16.46 yr)  
   first obs. used      2003-12-27  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:04  

Additional Information
 Earth MOID = .913161 au 
 Jupiter MOID = 2.5688 au 
 T_jup = 3.500 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.26   n/a E2021B55  

181303 (2006 QY20)          Discovered 2006-Aug-18 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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