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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06416765310710834 1.3366e-08  
a 2.999398603969039 1.4109e-08 au
q 2.806934234819608 4.1493e-08 au
i 10.23334172369186 8.1833e-07 deg
node 42.81298889188719 3.9813e-06 deg
peri 40.57666281606429 2.4765e-05 deg
M 2.823463493001283 2.2091e-05 deg
tp 2459185.619093759887
(2020-Dec-02.11909376)
0.00011644 TDB
period 1897.359841811179
5.19
1.3387e-05
3.665e-08
d
yr
n .189737335041492 1.3387e-09 deg/d
Q 3.191862973118468 1.5014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2613  
   data-arc span      17261 days (47.26 yr)  
   first obs. used      1973-12-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:39:12  

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 ]

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

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