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JPL Small-Body Database Browser
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379555 (2011 AU44)
Classification: Main-belt Asteroid          SPK-ID: 2379555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08871395015754657 6.1638e-08  
a 2.24581113848642 2.2785e-08 au
q 2.046576361083473 1.3841e-07 au
i 2.428960889407723 7.7094e-06 deg
node 330.2057692399746 0.0001553 deg
peri 140.1253913527649 0.00016517 deg
M 294.6534003337191 6.2158e-05 deg
tp 2459223.640687663213
(2021-Jan-09.14068766)
0.0002147 TDB
period 1229.301110830523
3.37
1.8708e-05
5.122e-08
d
yr
n .2928493245701063 4.4567e-09 deg/d
Q 2.445045915889367 2.4807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2001-01-26  
   last obs. used      2019-08-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:26  

Additional Information
 Earth MOID = 1.06391 au 
 Jupiter MOID = 2.62337 au 
 T_jup = 3.624 
[ 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 MPO440648  

379555 (2011 AU44)          Discovered 2006-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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