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2982 Muriel (1981 JA3)
Classification: Main-belt Asteroid          SPK-ID: 2002982
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06054155588672124 7.4477e-08  
a 2.999510744879874 3.556e-08 AU
q 2.817915697485908 2.2521e-07 AU
i 10.22807957550739 1.0431e-05 deg
node 42.87273852940575 3.2951e-05 deg
peri 39.41386350721794 8.0253e-05 deg
M 306.6698044366279 7.3652e-05 deg
tp 2457281.589572737903
(2015-Sep-16.08957274)
0.00038902 JED
period 1897.466249967125
5.19
3.3742e-05
9.238e-08
d
yr
n .1897266947468696 3.3739e-09 deg/d
Q 3.181105792273839 3.7713e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      12672 days (34.69 yr)  
   first obs. used      1978-09-28  
   last obs. used      2013-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48042  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:46:52  

Additional Information
 Earth MOID = 1.8405 AU 
 T_jup = 3.226 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.6 mag n/a MPO263372  

2982 Muriel (1981 JA3)          Discovered 1981-May-06 by Shoemaker, C. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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