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66235 (1999 ET)
Classification: Main-belt Asteroid          SPK-ID: 2066235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686966267753242 5.8662e-08  
a 2.314042585904632 7.9406e-09 au
q 1.923671407448072 1.3665e-07 au
i 3.578268698006547 5.7593e-06 deg
node 338.691308061628 5.5857e-05 deg
peri 357.2257777289024 5.6865e-05 deg
M 243.8456520082136 1.1142e-05 deg
tp 2459615.347443521250
(2022-Feb-04.84744352)
4.0451e-05 TDB
period 1285.74678649318
3.52
6.618e-06
1.812e-08
d
yr
n .2799929222315109 1.4412e-09 deg/d
Q 2.704413764361192 9.2801e-09 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      13881 days (38.00 yr)  
   first obs. used      1982-04-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:25  

Additional Information
 Earth MOID = .912147 au 
 Jupiter MOID = 2.66061 au 
 T_jup = 3.561 
[ 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 15.98   n/a E2021B10  

66235 (1999 ET)          Discovered 1999-Mar-06 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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