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(2008 DB)
Classification: Apollo [NEO]          SPK-ID: 3403149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331562232806489 6.8035e-08  
a 1.054904491276232 9.109e-10 au
q .8089469441684713 7.2303e-08 au
i 4.224387988658719 7.0699e-06 deg
node 141.4997330468619 1.4202e-05 deg
peri 274.9575832663498 1.3898e-05 deg
M 188.5583550926831 2.0102e-05 deg
tp 2459188.965544279845
(2020-Dec-05.46554428)
2.1981e-05 TDB
period 395.7474625107765
1.08
5.1259e-07
1.403e-09
d
yr
n .9096710253453538 1.1782e-09 deg/d
Q 1.300862038383992 1.1233e-09 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4753 days (13.01 yr)  
   first obs. used      2008-02-18  
   last obs. used      2021-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66861  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 05:19:31  

Additional Information
 Earth MOID = .00176266 au 
 Jupiter MOID = 3.98814 au 
 T_jup = 5.806 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.7   n/a E2021D90  

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