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382875 (2004 KE1)
Classification: Amor [NEO]          SPK-ID: 2382875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807216881426698 3.9846e-08  
a 1.298634850304188 4.8664e-09 au
q 1.063943367876311 4.9338e-08 au
i 2.883480481978201 4.1242e-06 deg
node 42.76686426339901 5.6348e-05 deg
peri 283.6712064755274 6.2223e-05 deg
M 228.4340329129407 3.3818e-05 deg
tp 2459198.046831670660
(2020-Dec-14.54683167)
5.1834e-05 TDB
period 540.5414559403378
1.48
3.0384e-06
8.319e-09
d
yr
n .6659988721378198 3.7436e-09 deg/d
Q 1.533326332732064 5.7459e-09 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5731 days (15.69 yr)  
   first obs. used      2004-04-21  
   last obs. used      2019-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-31 06:20:55  

Additional Information
 Earth MOID = .0730108 au 
 Jupiter MOID = 3.73225 au 
 T_jup = 4.988 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456208.5 (2012-Oct-08.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808355823297519 3.9897e-08  
q 1.063986790408596 4.9256e-08 au
tp 2455954.347465428305
(2012-Jan-27.84746543)
3.4556e-05 TDB
node 42.80063107199361 5.6328e-05 deg
peri 283.6234071862033 6.2202e-05 deg
i 2.884202879010708 4.1245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      5731 days (15.69 yr)  
   first obs. used      2004-04-21  
   last obs. used      2019-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-31 06:20:55  

Additional Information
 Jupiter MOID = 3.73225 au 
 T_jup = 4.988 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.591757391925103E-15 -1.960945825337109E-15 6.386244179923889E-13 -2.72106636549685E-13 5.52980088919484E-13 -4.44958394939826E-14
q -1.960945825337109E-15 2.426170483724714E-15 -7.007576502115884E-13 3.282094628839002E-13 -6.203796901181907E-13 5.45297174632275E-14
tp 6.386244179923889E-13 -7.007576502115884E-13 1.194098333285979E-9 -2.148050968942607E-10 9.46059631807008E-10 -2.45586679102847E-11
node -2.72106636549685E-13 3.282094628839002E-13 -2.148050968942607E-10 3.172844944861628E-9 -3.28810949993633E-9 3.728723877266117E-11
peri 5.52980088919484E-13 -6.203796901181907E-13 9.46059631807008E-10 -3.28810949993633E-9 3.86904752896418E-9 -4.942124955624475E-11
i -4.44958394939826E-14 5.45297174632275E-14 -2.45586679102847E-11 3.728723877266117E-11 -4.942124955624475E-11 1.701165798779211E-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 21.7   n/a MPO397382  

382875 (2004 KE1)          Discovered 2004-May-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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