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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759540024706412 4.0688e-08  
a 3.155860408820524 1.6029e-08 au
q 2.600574138649919 1.3169e-07 au
i 1.968753895111373 3.3812e-06 deg
node 111.3681710217797 0.00012686 deg
peri 259.6068478703642 0.00012721 deg
M 274.0370238065745 1.2338e-05 deg
tp 2459689.472063096069
(2022-Apr-19.97206310)
7.2181e-05 TDB
period 2047.741370872264
5.61
1.5601e-05
4.271e-08
d
yr
n .1758034511197344 1.3394e-09 deg/d
Q 3.711146678991129 1.8849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      13888 days (38.02 yr)  
   first obs. used      1982-08-14  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:51:55  

Additional Information
 Earth MOID = 1.59991 au 
 Jupiter MOID = 1.75344 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456753.5 (2014-Apr-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764588652346205 4.0657e-08  
q 2.597358641001373 1.312e-07 au
tp 2457646.931434111990
(2016-Sep-15.43143411)
6.4426e-05 TDB
node 111.3724210202112 0.00012693 deg
peri 260.3851062908516 0.00012728 deg
i 1.968590192523031 3.381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      13888 days (38.02 yr)  
   first obs. used      1982-08-14  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:51:55  

Additional Information
 Jupiter MOID = 1.75344 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.652966488851572E-15 -5.306721292902942E-15 3.377558225916129E-13 3.791955330662859E-15 3.97697666648771E-14 8.379203276702641E-17
q -5.306721292902942E-15 1.721234852407746E-14 -7.48548049423317E-13 -1.059387082751836E-14 -9.094598017750986E-14 -2.008335012743552E-16
tp 3.377558225916129E-13 -7.48548049423317E-13 4.150760511141344E-9 5.967505441008063E-12 6.416462623257941E-10 2.20878274116984E-13
node 3.791955330662859E-15 -1.059387082751836E-14 5.967505441008063E-12 1.611174075291276E-8 -1.610121172911975E-8 -1.428328331539652E-11
peri 3.97697666648771E-14 -9.094598017750986E-14 6.416462623257941E-10 -1.610121172911975E-8 1.62006035200784E-8 1.430423062789147E-11
i 8.379203276702641E-17 -2.008335012743552E-16 2.20878274116984E-13 -1.428328331539652E-11 1.430423062789147E-11 1.14313353965011E-11

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 13.06   n/a E2021B10  
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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