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JPL Small-Body Database Browser
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359094 (2009 AC21)
Classification: Main-belt Asteroid          SPK-ID: 2359094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2612574704814494 1.7343e-07  
a 2.551992731459998 4.9152e-08 au
q 1.885265565751714 4.7182e-07 au
i 10.67469601246768 2.4867e-05 deg
node 329.9466281877295 4.7522e-05 deg
peri 264.7611178755776 9.4631e-05 deg
M 142.5223990436859 8.6966e-05 deg
tp 2458010.980466477440
(2017-Sep-14.48046648)
0.00034501 TDB
period 1489.078443052801
4.08
4.302e-05
1.178e-07
d
yr
n .2417602656727432 6.9846e-09 deg/d
Q 3.218719897168282 6.1994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      4950 days (13.55 yr)  
   first obs. used      2005-03-18  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:46:52  

Additional Information
 Earth MOID = .910785 au 
 Jupiter MOID = 1.95517 au 
 T_jup = 3.368 
[ 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 16.8   n/a MPO455591  

359094 (2009 AC21)          Discovered 2009-Jan-02 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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