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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06394729077632995 3.3062e-08  
a 2.998610484213699 1.5902e-08 au
q 2.806857467654734 1.0507e-07 au
i 10.23457409303391 4.7533e-06 deg
node 42.81564482284989 2.1779e-05 deg
peri 40.67277806246859 4.5682e-05 deg
M 324.773846133955 3.9744e-05 deg
tp 2459186.084301441139
(2020-Dec-02.58430144)
0.00020957 TDB
period 1896.61206763789
5.19
1.5087e-05
4.131e-08
d
yr
n .1898121424737939 1.5099e-09 deg/d
Q 3.190363500772664 1.6919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      17132 days (46.90 yr)  
   first obs. used      1973-12-20  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:09:24  

Additional Information
 Earth MOID = 1.83059 au 
 Jupiter MOID = 2.02763 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 11.8   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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