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448003 (2008 DE)
Classification: Apollo [NEO, PHA]          SPK-ID: 2448003
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .413489617150248 1.9411e-08  
a 1.714393939923337 1.841e-09 au
q 1.005509846059731 3.3188e-08 au
i 14.75889703002239 1.0485e-05 deg
node 55.94139316792155 1.7337e-05 deg
peri 179.1835131855727 2.3674e-05 deg
M 219.2223240492521 7.4559e-06 deg
tp 2459521.123722271995
(2021-Nov-02.62372227)
1.7322e-05 TDB
period 819.9065600308687
2.24
1.3207e-06
3.616e-09
d
yr
n .4390744232933645 7.0726e-10 deg/d
Q 2.423278033786944 2.6023e-09 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      3398 days (9.30 yr)  
   first obs. used      2008-02-12  
   last obs. used      2017-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:03:40  

Additional Information
 Earth MOID = .00711113 au 
 Jupiter MOID = 2.58285 au 
 T_jup = 4.046 
[ show covariance matrix ]

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 19.6   n/a MPO411396  

448003 (2008 DE)          Discovered 2008-Feb-12 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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