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2982 Muriel (1981 JA3)
Classification: Main-belt Asteroid          SPK-ID: 2002982
[ 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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06371172296258014 3.3542e-08  
a 2.997868215107724 1.6555e-08 au
q 2.806868865908456 1.068e-07 au
i 10.23542301715838 4.8399e-06 deg
node 42.81342421506144 2.2615e-05 deg
peri 40.85956879302141 4.7424e-05 deg
M 248.6292597538893 4.1493e-05 deg
tp 2459187.024068855998
(2020-Dec-03.52406886)		 0.00021937 TDB
period 1895.907886771301
5.19		 1.5705e-05
4.3e-08		 d
yr
n .1898826427760021 1.5729e-09 deg/d
Q 3.188867564306992 1.761e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2149  
   data-arc span      16788 days (45.96 yr)  
   first obs. used      1973-12-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44796  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:23:35  

Additional Information
 Earth MOID = 1.83052 au 
 Jupiter MOID = 2.02918 au 
 T_jup = 3.227 
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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 11.8   n/a MPO502181  
diameter diameter 15.229 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.132   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2982 Muriel (1981 JA3)          Discovered 1981-May-06 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 JA3 = 1973 YP = 1978 SY5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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