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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06371172307178471 3.3593e-08  
a 2.997868215160719 1.6572e-08 au
q 2.806868865630693 1.0691e-07 au
i 10.23542303737877 4.8444e-06 deg
node 42.81342434021002 2.2645e-05 deg
peri 40.85956863346051 4.7445e-05 deg
M 248.6292597692654 4.1498e-05 deg
tp 2459187.024068790574
(2020-Dec-03.52406879)		 0.00021939 TDB
period 1895.907886821574
5.19		 1.5721e-05
4.304e-08		 d
yr
n .1898826427709671 1.5745e-09 deg/d
Q 3.188867564690745 1.7628e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2125  
   data-arc span      16778 days (45.94 yr)  
   first obs. used      1973-12-20  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:42:34  

Additional Information
 Earth MOID = 1.83052 au 
 Jupiter MOID = 2.02918 au 
 T_jup = 3.227 
[ 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 11.7   n/a MPO416741  
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

[ show close-approach data ]
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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