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541484 (2011 ON2)
Classification: Main-belt Asteroid          SPK-ID: 2541484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232773790468142 4.6018e-08  
a 2.332429798361293 2.1895e-08 au
q 2.044893966008624 9.8069e-08 au
i 9.329513957535207 7.4938e-06 deg
node 279.304161014665 3.0706e-05 deg
peri 116.0880773896866 5.0906e-05 deg
M 222.4162941727202 4.2862e-05 deg
tp 2459893.751155397603
(2022-Nov-10.25115540)
0.00015997 TDB
period 1301.101862802444
3.56
1.832e-05
5.016e-08
d
yr
n .2766885593604454 3.896e-09 deg/d
Q 2.619965630713963 2.4594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      4592 days (12.57 yr)  
   first obs. used      2008-12-03  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:39  

Additional Information
 Earth MOID = 1.07184 au 
 Jupiter MOID = 2.77517 au 
 T_jup = 3.542 
[ 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 18.25   n/a E2021B25  

541484 (2011 ON2)          Discovered 2008-Dec-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 ON2 = 2016 AM92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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