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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06442292826734673 5.6045e-08  
a 3.120270642904964 3.6297e-08 au
q 2.91925367110239 1.8879e-07 au
i 11.49838892380918 5.8584e-06 deg
node 103.4407593514635 3.0223e-05 deg
peri 1.958360233885303 6.0274e-05 deg
M 286.6692055453366 5.0475e-05 deg
tp 2459010.582006467729
(2020-Jun-10.08200647)
0.0002835 TDB
period 2013.199549060582
5.51
3.5128e-05
9.618e-08
d
yr
n .1788198294441237 3.1202e-09 deg/d
Q 3.321287614707539 3.8636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6293 days (17.23 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:38:20  

Additional Information
 Earth MOID = 1.93632 au 
 Jupiter MOID = 1.81114 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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