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79209 (1994 AT12)
Classification: Main-belt Asteroid          SPK-ID: 2079209
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06749967641198377 4.4616e-08  
a 2.787209496891248 2.1555e-08 au
q 2.599073757758681 1.3011e-07 au
i 5.493933624312822 4.5559e-06 deg
node 95.99608282301514 6.0657e-05 deg
peri 227.6120373066346 7.3781e-05 deg
M 36.99327872445406 4.2133e-05 deg
tp 2458825.848157978615
(2019-Dec-08.34815798)
0.00019868 TDB
period 1699.623966721713
4.65
1.9716e-05
5.398e-08
d
yr
n .2118115577614376 2.4571e-09 deg/d
Q 2.975345236023816 2.301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      8869 days (24.28 yr)  
   first obs. used      1994-01-08  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60025  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:46:44  

Additional Information
 Earth MOID = 1.59012 au 
 Jupiter MOID = 2.23434 au 
 T_jup = 3.321 
[ 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 15.6   n/a MPO436334  
diameter diameter 5.165 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79209 (1994 AT12)          Discovered 1994-Jan-11 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1994 AT12 = 2000 LJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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