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446816 (2000 EE38)
Classification: Mars-crossing Asteroid          SPK-ID: 2446816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5146411769187423 6.3496e-08  
a 3.086199446158348 5.2271e-08 au
q 1.497914130981445 1.9809e-07 au
i 2.704948704025015 1.6748e-05 deg
node 199.586692636886 0.0001578 deg
peri 285.1309985925559 0.00016429 deg
M 341.290775643973 3.2179e-05 deg
tp 2459499.417136113982
(2021-Oct-11.91713611)
0.00017949 TDB
period 1980.315607744488
5.42
5.0311e-05
1.377e-07
d
yr
n .1817892050096135 4.6185e-09 deg/d
Q 4.674484761335251 7.9172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      7496 days (20.52 yr)  
   first obs. used      2000-03-08  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56517  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:59:29  

Additional Information
 Earth MOID = .516889 au 
 Jupiter MOID = .501892 au 
 T_jup = 3.005 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456754.5 (2014-Apr-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5133067179752755 6.4903e-08  
q 1.50426682295174 2.0327e-07 au
tp 2457519.787811123064
(2016-May-11.28781112)
0.00013664 TDB
node 199.6484604013967 0.00015794 deg
peri 285.1422635251211 0.00016444 deg
i 2.701057921883438 1.6732e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      7496 days (20.52 yr)  
   first obs. used      2000-03-08  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56517  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:59:29  

Additional Information
 Jupiter MOID = .501892 au 
 T_jup = 3.005 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.212399132112401E-15 -1.310726564493688E-14 2.758209315431841E-12 -3.758076651687534E-13 1.464570526527098E-12 -3.668331824911083E-14
q -1.310726564493688E-14 4.132021042018795E-14 -5.801119137682938E-12 1.117466939460442E-12 -3.781004953354721E-12 1.513729862102843E-13
tp 2.758209315431841E-12 -5.801119137682938E-12 1.867005175487413E-8 -9.329636576191197E-10 6.183171480385299E-9 1.031974462057532E-10
node -3.758076651687534E-13 1.117466939460442E-12 -9.329636576191197E-10 2.494426385938891E-8 -2.520945982776489E-8 3.445336949187168E-10
peri 1.464570526527098E-12 -3.781004953354721E-12 6.183171480385299E-9 -2.520945982776489E-8 2.704107862869391E-8 -3.246737045940432E-10
i -3.668331824911083E-14 1.513729862102843E-13 1.031974462057532E-10 3.445336949187168E-10 -3.246737045940432E-10 2.799733777974434E-10

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 17.4   n/a MPO419205  

446816 (2000 EE38)          Discovered 2000-Mar-08 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28

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