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79482 (1998 EX12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2079482
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488930352769183 6.5452e-08  
a 3.31048769639244 2.9273e-08 au
q 2.817579135029677 2.1896e-07 au
i 2.016243390968865 4.557e-06 deg
node 76.07543974419993 0.00018222 deg
peri 93.70410221296933 0.00018288 deg
M 252.3674644182993 1.9121e-05 deg
tp 2459658.275153655970
(2022-Mar-19.77515366)
0.00012275 TDB
period 2200.069468180485
6.02
2.9181e-05
7.989e-08
d
yr
n .1636311967447689 2.1703e-09 deg/d
Q 3.803396257755204 3.3631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      8002 days (21.91 yr)  
   first obs. used      1998-03-01  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:41:47  

Additional Information
 Earth MOID = 1.82472 au 
 Jupiter MOID = 1.16622 au 
 T_jup = 3.148 
[ 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 14.2   n/a MPO453217  
diameter diameter 7.172 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79482 (1998 EX12)          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 EX12 = 2001 ST229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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