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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .064167653106508 1.3366e-08  
a 2.999398603775869 1.412e-08 au
q 2.806934234640635 4.1496e-08 au
i 10.23334172260775 8.184e-07 deg
node 42.8129888964342 3.9815e-06 deg
peri 40.57666284063185 2.4765e-05 deg
M 2.82346350969343 2.2092e-05 deg
tp 2459185.619093673350
(2020-Dec-02.11909367)
0.00011644 TDB
period 1897.359841627886
5.19
1.3398e-05
3.668e-08
d
yr
n .1897373350598215 1.3398e-09 deg/d
Q 3.191862972911104 1.5026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2602  
   data-arc span      17251 days (47.23 yr)  
   first obs. used      1973-12-20  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:32:01  

Additional Information
 Earth MOID = 1.83016 au 
 Jupiter MOID = 2.02633 au 
 T_jup = 3.226 
[ 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 11.85   n/a E2021B10  
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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