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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452520128672515 5.6152e-08  
a 2.716088941788238 3.3124e-08 au
q 2.321571555867013 1.5097e-07 au
i 6.487823687234428 7.5929e-06 deg
node 243.9017449093165 5.6143e-05 deg
peri 271.6672873388452 6.2429e-05 deg
M 239.6086154034509 2.8271e-05 deg
tp 2459547.273321899080
(2021-Nov-28.77332190)
0.00013311 TDB
period 1634.987391691737
4.48
2.9909e-05
8.189e-08
d
yr
n .2201851841973561 4.0279e-09 deg/d
Q 3.110606327709462 3.7935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5231 days (14.32 yr)  
   first obs. used      2004-03-16  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55085  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:57:44  

Additional Information
 Earth MOID = 1.34231 au 
 Jupiter MOID = 1.94606 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 16.4   n/a MPO455596  

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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