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201884 (2004 AU9)
Classification: Main-belt Asteroid          SPK-ID: 2201884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06449082060611899 5.4097e-08  
a 3.121132396651796 3.4097e-08 au
q 2.919848007171379 1.8279e-07 au
i 11.49874815686952 5.6442e-06 deg
node 103.4386942496844 2.6741e-05 deg
peri 1.651976835406228 5.6746e-05 deg
M 358.4664089523756 4.7692e-05 deg
tp 2459009.079733104008
(2020-Jun-08.57973310)
0.00026683 TDB
period 2014.033612303239
5.51
3.3004e-05
9.036e-08
d
yr
n .1787457755425967 2.9291e-09 deg/d
Q 3.322416786132213 3.6296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6625 days (18.14 yr)  
   first obs. used      2002-09-05  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:13  

Additional Information
 Earth MOID = 1.93673 au 
 Jupiter MOID = 1.80933 au 
 T_jup = 3.182 
[ 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 15.3   n/a MPO454431  

201884 (2004 AU9)          Discovered 2004-Jan-15 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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