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173621 (2001 FU48)
Classification: Main-belt Asteroid          SPK-ID: 2173621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831734132736972 4.5174e-08  
a 2.299141685748582 9.7685e-09 au
q 1.878000055570173 1.0416e-07 au
i 1.717517261948109 4.5034e-06 deg
node 188.7622483648019 0.00014083 deg
peri 28.96447478051615 0.00014127 deg
M 166.2237478794763 1.1461e-05 deg
tp 2458412.553783645045
(2018-Oct-21.05378364)
3.8882e-05 TDB
period 1273.347765213743
3.49
8.1152e-06
2.222e-08
d
yr
n .2827193087660313 1.8018e-09 deg/d
Q 2.720283315926992 1.1558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-12-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:17  

Additional Information
 Earth MOID = .870884 au 
 Jupiter MOID = 2.25004 au 
 T_jup = 3.570 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO493970  

173621 (2001 FU48)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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