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79481 (1998 EO12)
Classification: Main-belt Asteroid          SPK-ID: 2079481
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259989267603021 4.5215e-08  
a 3.136982314574187 1.9411e-08 au
q 2.741725909671791 1.4457e-07 au
i 11.79873143599887 5.3544e-06 deg
node 17.81127892108089 2.0667e-05 deg
peri 132.8578741807268 2.9329e-05 deg
M 16.90623427921286 1.8294e-05 deg
tp 2458905.196047030873
(2020-Feb-25.69604703)
0.00010323 TDB
period 2029.394748839537
5.56
1.8836e-05
5.157e-08
d
yr
n .1773927917207127 1.6465e-09 deg/d
Q 3.532238719476583 2.1857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      8097 days (22.17 yr)  
   first obs. used      1998-02-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:41:09  

Additional Information
 Earth MOID = 1.76685 au 
 Jupiter MOID = 1.49659 au 
 T_jup = 3.167 
[ 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 13.9   n/a MPO290982  
diameter diameter 9.441 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79481 (1998 EO12)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 EO12 = 2001 SA281 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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