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11590 (1994 WH3)
Classification: Main-belt Asteroid          SPK-ID: 2011590
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760419430892858 4.0718e-08  
a 3.154330547199913 1.6208e-08 au
q 2.59903606852495 1.315e-07 au
i 1.968691536308377 3.4053e-06 deg
node 111.3694491941113 0.00012746 deg
peri 259.768733368598 0.00012782 deg
M 238.6846948331542 1.2205e-05 deg
tp 2459690.060417240294
(2022-Apr-20.56041724)
7.2177e-05 TDB
period 2046.252530668717
5.60
1.5772e-05
4.318e-08
d
yr
n .17593136458204 1.356e-09 deg/d
Q 3.709625025874876 1.9061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2133  
   data-arc span      13888 days (38.02 yr)  
   first obs. used      1982-08-14  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:58:34  

Additional Information
 Earth MOID = 1.5999 au 
 Jupiter MOID = 1.75392 au 
 T_jup = 3.182 
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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 13.0   n/a MPO319230  
diameter diameter 15.359 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11590 (1994 WH3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 WH3 = 1982 PN = 1988 TQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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