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359742 (2011 UN56)
Classification: Main-belt Asteroid          SPK-ID: 2359742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452501339295793 4.7758e-08  
a 2.717186639685811 2.6266e-08 au
q 2.322514916359783 1.3731e-07 au
i 6.486442665477636 7.5368e-06 deg
node 243.9014245966887 4.5245e-05 deg
peri 271.50890632618 5.2855e-05 deg
M 326.9322279834944 2.8513e-05 deg
tp 2459546.772692052121
(2021-Nov-28.27269205)
0.00013064 TDB
period 1635.978653528902
4.48
2.3721e-05
6.494e-08
d
yr
n .2200517709833554 3.1907e-09 deg/d
Q 3.111858363011839 3.0081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6149 days (16.84 yr)  
   first obs. used      2004-03-16  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:29:18  

Additional Information
 Earth MOID = 1.34405 au 
 Jupiter MOID = 1.9437 au 
 T_jup = 3.336 
[ 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 16.46   n/a MPCxxxxx  

359742 (2011 UN56)          Discovered 2004-Mar-16 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 UN56 = 2004 FB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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