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173643 (2001 FG154)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407756002921563 5.0115e-08  
a 3.944119652223969 5.6384e-08 au
q 3.388883840558049 1.9362e-07 au
i 3.869062727411579 4.3831e-06 deg
node 69.1897841662892 8.5808e-05 deg
peri 109.0262682128725 8.7372e-05 deg
M 167.5564035112024 1.9089e-05 deg
tp 2457668.874575585716
(2016-Oct-07.37457559)
0.0001397 TDB
period 2861.037493903309
7.83
6.135e-05
1.68e-07
d
yr
n .1258284803212601 2.6982e-09 deg/d
Q 4.49935546388989 6.4321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-03-22  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53806  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:02  

Additional Information
 Earth MOID = 2.39554 au 
 Jupiter MOID = .496381 au 
 T_jup = 3.039 
[ 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 14.2   n/a MPO417936  

173643 (2001 FG154)          Discovered 2001-Mar-22 by Cima Ekar at Cima Ekar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 FG154 = 2005 TF98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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