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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331211743115846 1.1098e-07  
a 1.054971061942002 4.1077e-08 au
q .8090349691173432 9.5889e-08 au
i 4.224615293792084 7.7496e-06 deg
node 141.4940263804205 1.4773e-05 deg
peri 274.9587392197353 1.584e-05 deg
M 10.48726140639349 2.0864e-05 deg
tp 2459188.970277890068
(2020-Dec-05.47027789)		 2.2892e-05 TDB
period 395.7849240837012
1.08		 2.3116e-05
6.329e-08		 d
yr
n .9095849237649757 5.3125e-08 deg/d
Q 1.300907154766661 5.0653e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.067905800480825E-12 1.443E-13
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
   Orbit Determination Parameters
   # obs. used (total)      66  
   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      1  
   norm. resid. RMS      .46802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-01 12:04:09  

Additional Information
 Earth MOID = .00116019 au 
 Jupiter MOID = 3.98808 au 
 T_jup = 5.806 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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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