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79212 (1994 ET)
Classification: Main-belt Asteroid          SPK-ID: 2079212
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353654568368757 4.5833e-08  
a 2.219937980139835 8.4192e-09 au
q 1.919435061308675 9.9191e-08 au
i 7.563668562875 5.268e-06 deg
node 328.0100878802727 3.3969e-05 deg
peri 59.53840949702448 4.1779e-05 deg
M 82.19438149724218 2.0779e-05 deg
tp 2458724.665032887656
(2019-Aug-29.16503289)
6.9966e-05 TDB
period 1208.118929196828
3.31
6.8727e-06
1.882e-08
d
yr
n .2979839081234597 1.6952e-09 deg/d
Q 2.520440898970995 9.5588e-09 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      9463 days (25.91 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:37:32  

Additional Information
 Earth MOID = .935334 au 
 Jupiter MOID = 2.94639 au 
 T_jup = 3.627 
[ 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 16.0   n/a MPO244793  
diameter diameter 1.517 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.368   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79212 (1994 ET)          Discovered 1994-Mar-06 by Tesi, L., Cattani, G. at San Marcello
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1994 ET = 1999 RZ211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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