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100058 (1992 EH)
Classification: Inner Main-belt Asteroid          SPK-ID: 2100058
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07824020708912545 6.6148e-08  
a 1.901770645993447 5.5504e-09 au
q 1.7529757168149 1.276e-07 au
i 23.94261629176313 6.9737e-06 deg
node 175.1966317391705 9.2547e-06 deg
peri 327.1986265256165 3.1686e-05 deg
M 27.60072329696386 2.9592e-05 deg
tp 2459127.056460489046
(2020-Oct-04.55646049)
7.8711e-05 TDB
period 957.934106996819
2.62
4.1937e-06
1.148e-08
d
yr
n .3758087298181935 1.6452e-09 deg/d
Q 2.050565575171994 5.9847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1992-03-05  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:24  

Additional Information
 Earth MOID = .775025 au 
 Jupiter MOID = 2.94155 au 
 T_jup = 3.838 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457443.5 (2016-Feb-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07819468897620065 6.6181e-08  
q 1.752934957574913 1.2765e-07 au
tp 2457211.376808368621
(2015-Jul-07.87680837)
7.8449e-05 TDB
node 175.2262485727353 9.2531e-06 deg
peri 327.2296601955385 3.1701e-05 deg
i 23.94534480141728 6.9745e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      10576 days (28.96 yr)  
   first obs. used      1992-03-05  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:24  

Additional Information
 Jupiter MOID = 2.94155 au 
 T_jup = 3.838 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.379949941839055E-15 -8.442051720986145E-15 2.163145503236456E-12 -2.971685622451304E-14 9.817564494814739E-13 -2.822255611673794E-14
q -8.442051720986145E-15 1.629456863206148E-14 -4.120229544825694E-12 5.644599071872038E-14 -1.874217381196608E-12 5.454719101436581E-14
tp 2.163145503236456E-12 -4.120229544825694E-12 6.154273515462324E-9 -3.327177992122176E-11 2.377908660542772E-9 -6.045868555019476E-12
node -2.971685622451304E-14 5.644599071872038E-14 -3.327177992122176E-11 8.561954357004524E-11 -9.038051592353408E-11 -1.659520805311945E-12
peri 9.817564494814739E-13 -1.874217381196608E-12 2.377908660542772E-9 -9.038051592353408E-11 1.004950272331977E-9 -1.237302669812269E-12
i -2.822255611673794E-14 5.454719101436581E-14 -6.045868555019476E-12 -1.659520805311945E-12 -1.237302669812269E-12 4.864430101304556E-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 17.0   n/a MPO493562  

100058 (1992 EH)          Discovered 1992-Mar-05 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1992 EH = 2000 HC55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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