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541801 (2011 YY65)
Classification: Main-belt Asteroid          SPK-ID: 2541801
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3225249179603383 2.9884e-07  
a 2.568687333930875 8.7042e-08 au
q 1.74022166228906 8.2395e-07 au
i 6.082640461640982 9.6666e-06 deg
node 261.5249282065099 4.4408e-05 deg
peri 154.798258250527 0.00010233 deg
M 91.04590566545599 4.3788e-05 deg
tp 2458820.202725615020
(2019-Dec-02.70272561)
0.00019294 TDB
period 1503.714173393489
4.12
7.6432e-05
2.093e-07
d
yr
n .2394072000981239 1.2169e-08 deg/d
Q 3.397153005572691 1.1512e-07 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5796 days (15.87 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:30  

Additional Information
 Earth MOID = .753948 au 
 Jupiter MOID = 1.98422 au 
 T_jup = 3.348 
[ 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 18.1   n/a E2016A29  

541801 (2011 YY65)          Discovered 2004-Mar-16 by Mauna Kea at Mauna Kea
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 YY65 = 2004 FR16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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