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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231849477887535 4.6625e-08  
a 2.332565812623536 2.1951e-08 au
q 2.045228814781675 9.9418e-08 au
i 9.329412851463408 8.4146e-06 deg
node 279.3053629971045 3.4513e-05 deg
peri 116.1253045155623 5.8023e-05 deg
M 168.1367157464985 4.6877e-05 deg
tp 2458592.771861405927
(2019-Apr-19.27186141)
0.00016436 TDB
period 1301.215673938382
3.56
1.8368e-05
5.029e-08
d
yr
n .2766643587303173 3.9053e-09 deg/d
Q 2.619902810465398 2.4655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      4091 days (11.20 yr)  
   first obs. used      2008-12-03  
   last obs. used      2020-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:24  

Additional Information
 Earth MOID = 1.07177 au 
 Jupiter MOID = 2.77424 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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