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JPL Small-Body Database Browser
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359887 (2011 WN44)
Classification: Main-belt Asteroid          SPK-ID: 2359887
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03988417314362837 6.1835e-08  
a 2.954580618665366 4.534e-08 au
q 2.836739613703708 2.0077e-07 au
i 3.163245694285544 6.8487e-06 deg
node 285.2504575201717 0.00011345 deg
peri 76.10777269748483 0.00014708 deg
M 214.7283215470282 9.7581e-05 deg
tp 2459349.049711650324
(2021-May-14.54971165)
0.00051157 TDB
period 1854.992652827051
5.08
4.2699e-05
1.169e-07
d
yr
n .1940708495267364 4.4672e-09 deg/d
Q 3.072421623627024 4.7148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      6840 days (18.73 yr)  
   first obs. used      2000-09-03  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:45:10  

Additional Information
 Earth MOID = 1.8341 au 
 Jupiter MOID = 2.13407 au 
 T_jup = 3.265 
[ 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 16.6   n/a MPO437519  

359887 (2011 WN44)          Discovered 2008-Feb-13 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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