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541162 (2011 AC40)
Classification: Main-belt Asteroid          SPK-ID: 2541162
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041975462036534 8.6207e-08  
a 3.133834679410841 7.3552e-08 au
q 2.493913327667234 2.5564e-07 au
i 14.77178442760584 1.1318e-05 deg
node 285.3657687351524 3.5412e-05 deg
peri 284.6830336210934 4.6956e-05 deg
M 220.9487735451187 3.8664e-05 deg
tp 2459983.181147706428
(2023-Feb-07.68114771)
0.00023618 TDB
period 2026.341085641125
5.55
7.1338e-05
1.953e-07
d
yr
n .1776601197848671 6.2546e-09 deg/d
Q 3.773756031154447 8.8571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      5840 days (15.99 yr)  
   first obs. used      2004-12-19  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:19  

Additional Information
 Earth MOID = 1.53643 au 
 Jupiter MOID = 1.6159 au 
 T_jup = 3.130 
[ 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 15.74   .24821 MPCxxxxx autocmod 2.8

541162 (2011 AC40)          Discovered 2010-Dec-08 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

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