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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356610139885215 4.3049e-08  
a 2.219389057266834 7.5536e-09 au
q 1.918304487322986 9.3968e-08 au
i 7.564152402605392 4.7545e-06 deg
node 328.0107338187526 3.2706e-05 deg
peri 59.49210860490353 3.7309e-05 deg
M 200.2539626668148 1.7115e-05 deg
tp 2459932.390651029719
(2022-Dec-18.89065103)
5.7998e-05 TDB
period 1207.670860519193
3.31
6.1654e-06
1.688e-08
d
yr
n .2980944657762392 1.5218e-09 deg/d
Q 2.520473627210681 8.5783e-09 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1994-03-06  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:08:03  

Additional Information
 Earth MOID = .933452 au 
 Jupiter MOID = 2.948 au 
 T_jup = 3.627 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.03   n/a MPCxxxxx  
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

Alternate Designations
 1994 ET = 1999 RZ211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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