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100060 (1992 ET4)
Classification: Main-belt Asteroid          SPK-ID: 2100060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874276956689271 6.3588e-08  
a 2.659235034851501 1.6712e-08 au
q 2.160820740027205 1.7095e-07 au
i 13.37603139820649 7.1244e-06 deg
node 350.4294400150351 1.8318e-05 deg
peri 204.7253505743772 2.1656e-05 deg
M 202.826830851415 1.4716e-05 deg
tp 2459892.027446887822
(2022-Nov-08.52744689)
6.8427e-05 TDB
period 1583.92098491231
4.34
1.4932e-05
4.088e-08
d
yr
n .2272840649433851 2.1426e-09 deg/d
Q 3.157649329675797 1.9845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      10541 days (28.86 yr)  
   first obs. used      1992-02-26  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:24  

Additional Information
 Earth MOID = 1.16788 au 
 Jupiter MOID = 1.83763 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457643.5 (2016-Sep-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1867413753915743 6.3792e-08  
q 2.163894894909288 1.7149e-07 au
tp 2458308.922690208912
(2018-Jul-09.42269021)
6.0909e-05 TDB
node 350.4967162931856 1.831e-05 deg
peri 204.8740682444565 2.1671e-05 deg
i 13.3749637828226 7.1254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      10541 days (28.86 yr)  
   first obs. used      1992-02-26  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:24  

Additional Information
 Jupiter MOID = 1.83763 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.06937724289387E-15 -1.090509287426135E-14 -1.353974666478699E-12 -1.432520445134204E-14 -2.231607741203906E-13 2.433516580450925E-15
q -1.090509287426135E-14 2.940830554379144E-14 3.948381262830497E-12 3.878548373476146E-14 6.407449023760845E-13 -5.8730482263089E-15
tp -1.353974666478699E-12 3.948381262830497E-12 3.709956556110635E-9 1.478485695054261E-12 7.160334319911658E-10 5.341725768870555E-13
node -1.432520445134204E-14 3.878548373476146E-14 1.478485695054261E-12 3.35254586865911E-10 -3.254250978031602E-10 4.156341072952023E-11
peri -2.231607741203906E-13 6.407449023760845E-13 7.160334319911658E-10 -3.254250978031602E-10 4.696346606083908E-10 -4.035832815316132E-11
i 2.433516580450925E-15 -5.8730482263089E-15 5.341725768870555E-13 4.156341072952023E-11 -4.035832815316132E-11 5.077080125109027E-11

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 15.78   n/a E2021B55  

100060 (1992 ET4)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1992 ET4 = 2001 FX133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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