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362804 (2011 YR4)
Classification: Main-belt Asteroid          SPK-ID: 2362804
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 .08397567785466835 7.7745e-08  
a 2.836774105990476 3.8652e-08 au
q 2.598554077519355 2.1736e-07 au
i 5.267099083199468 5.9272e-06 deg
node 311.2018617211212 9.4589e-05 deg
peri 92.84346157360041 0.00011634 deg
M 3.58587221983299 5.8393e-05 deg
tp 2459183.116874450158
(2020-Nov-29.61687445)
0.00028324 TDB
period 1745.161236736554
4.78
3.5668e-05
9.765e-08
d
yr
n .2062846643747364 4.2161e-09 deg/d
Q 3.074994134461596 4.1898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5668 days (15.52 yr)  
   first obs. used      2005-07-04  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:52  

Additional Information
 Earth MOID = 1.61317 au 
 Jupiter MOID = 2.243 au 
 T_jup = 3.300 
[ 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 16.57   n/a MPCxxxxx  

362804 (2011 YR4)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2011 YR4 = 2010 PB59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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