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100071 (1992 ET30)
Classification: Main-belt Asteroid          SPK-ID: 2100071
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166750648984288 4.5199e-08  
a 2.537181523000941 1.5838e-08 au
q 2.241155704145712 1.1946e-07 au
i 4.760705728978303 4.5421e-06 deg
node 185.9414040963544 5.8607e-05 deg
peri 70.32639460153194 6.7757e-05 deg
M 324.071881141079 4.2113e-05 deg
tp 2459347.818644738540
(2021-May-13.31864474)
0.00017341 TDB
period 1476.133841410564
4.04
1.3822e-05
3.784e-08
d
yr
n .24388032433156 2.2836e-09 deg/d
Q 2.83320734185617 1.7686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:27  

Additional Information
 Earth MOID = 1.23032 au 
 Jupiter MOID = 2.20909 au 
 T_jup = 3.433 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457359.5 (2015-Dec-03.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176544445640908 4.5114e-08  
q 2.238954711271334 1.194e-07 au
tp 2457869.579735609369
(2017-Apr-26.07973561)
0.00016535 TDB
node 185.9747230163046 5.8648e-05 deg
peri 70.01098418270695 6.768e-05 deg
i 4.75827085747321 4.5423e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:27  

Additional Information
 Jupiter MOID = 2.20909 au 
 T_jup = 3.433 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.035301069934257E-15 -5.353058038062133E-15 -1.738524786889226E-12 -1.580919902710127E-14 -2.834229084001898E-13 1.235522215325914E-15
q -5.353058038062133E-15 1.425714482727449E-14 5.51113094799358E-12 4.83144714582691E-14 9.271599118180369E-13 -2.842666193260478E-15
tp -1.738524786889226E-12 5.51113094799358E-12 2.734197988290023E-8 1.937930234012028E-10 5.611541126938111E-9 5.797975382051487E-12
node -1.580919902710127E-14 4.83144714582691E-14 1.937930234012028E-10 3.439605818805803E-9 -3.386415589479521E-9 -5.223088287521205E-11
peri -2.834229084001898E-13 9.271599118180369E-13 5.611541126938111E-9 -3.386415589479521E-9 4.580633957060847E-9 5.33205314371223E-11
i 1.235522215325914E-15 -2.842666193260478E-15 5.797975382051487E-12 -5.223088287521205E-11 5.33205314371223E-11 2.063268264984037E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.87   n/a E2021B55  

100071 (1992 ET30)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1992 ET30 = 2000 EC206 = 2004 CK37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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