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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887305437672997 3.8859e-08  
a 3.054187257806186 2.8844e-08 au
q 2.477768835873266 1.2378e-07 au
i 10.17914842255831 7.6436e-06 deg
node 352.8451138622006 2.5002e-05 deg
peri 253.5057836583965 3.2801e-05 deg
M 20.91607830028654 2.0591e-05 deg
tp 2458887.228754361452
(2020-Feb-07.72875436)
0.00011126 TDB
period 1949.5838485802
5.34
2.7618e-05
7.561e-08
d
yr
n .1846547919763353 2.6159e-09 deg/d
Q 3.630605679739106 3.4288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-04-28  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:50:49  

Additional Information
 Earth MOID = 1.489 au 
 Jupiter MOID = 1.56543 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 15.0   n/a MPO432702  
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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