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541819 (2012 AO11)
Classification: Main-belt Asteroid          SPK-ID: 2541819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3614155397652108 1.846e-07  
a 2.623313656876778 1.1001e-07 au
q 1.675207335603208 5.4789e-07 au
i 28.59162224491261 1.1445e-05 deg
node 86.65492052268557 1.4139e-05 deg
peri 88.29422762204457 4.5352e-05 deg
M 19.43463137194108 6.7374e-05 deg
tp 2459116.718609513958
(2020-Sep-24.21860951)
0.00028522 TDB
period 1551.935820018735
4.25
9.7626e-05
2.673e-07
d
yr
n .2319683554927252 1.4592e-08 deg/d
Q 3.571419978150348 1.4978e-07 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      4379 days (11.99 yr)  
   first obs. used      2008-04-07  
   last obs. used      2020-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:33  

Additional Information
 Earth MOID = .926558 au 
 Jupiter MOID = 2.3207 au 
 T_jup = 3.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.17   n/a E2021B25  

541819 (2012 AO11)          Discovered 2008-Apr-07 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2012 AO11 = 2008 KA7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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