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120081 (2003 ED12)
Classification: Main-belt Asteroid          SPK-ID: 2120081
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890678748245351 3.6939e-08  
a 3.05376245333796 2.4907e-08 au
q 2.476394076066394 1.137e-07 au
i 10.1856895235129 6.0888e-06 deg
node 352.8000462413406 2.4828e-05 deg
peri 253.3765087236648 3.1398e-05 deg
M 57.95912588508214 1.6474e-05 deg
tp 2458886.687217496380
(2020-Feb-07.18721750)
8.9974e-05 TDB
period 1949.177113631745
5.34
2.3847e-05
6.529e-08
d
yr
n .1846933239069491 2.2596e-09 deg/d
Q 3.631130830609527 2.9616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1998-04-28  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:40  

Additional Information
 Earth MOID = 1.48626 au 
 Jupiter MOID = 1.56349 au 
 T_jup = 3.185 
[ 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 15.11   n/a E2021B55  
diameter diameter 3.682 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120081 (2003 ED12)          Discovered 2003-Mar-06 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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