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(2003 AF23)
Classification: Aten [NEO, PHA]          SPK-ID: 3146499
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4259292228097902 6.2228e-07  
a .8746592215164822 1.5447e-09 au
q .5021162990725508 5.4449e-07 au
i 23.22689807844765 5.2638e-05 deg
node 286.7670866606516 4.4104e-06 deg
peri 43.96756433064083 1.4282e-05 deg
M 68.58855605309775 6.4303e-05 deg
tp 2459143.574624370010
(2020-Oct-21.07462437)		 5.3389e-05 TDB
period 298.7835931541046
0.82		 7.9149e-07
2.167e-09		 d
yr
n 1.204885436310827 3.1918e-09 deg/d
Q 1.247202143960414 2.2026e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -6.121484506620005E-14 3.267E-15
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)      512  
   data-arc span      6621 days (18.13 yr)  
   first obs. used      2003-01-08  
   last obs. used      2021-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42354  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-25 05:20:58  

Additional Information
 Earth MOID = .0326646 au 
 Jupiter MOID = 4.1169 au 
 T_jup = 6.631 
 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 21.05   n/a E2021C14  

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