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118260 (1998 FP54)
Classification: Main-belt Asteroid          SPK-ID: 2118260
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787203794000331 3.9623e-08  
a 2.802511266606758 1.921e-08 au
q 2.301645389765931 1.1205e-07 au
i 11.90951329716555 6.144e-06 deg
node 184.073942712843 2.2344e-05 deg
peri 310.7702494504691 2.8602e-05 deg
M 296.508246907073 1.72e-05 deg
tp 2459302.727720534920
(2021-Mar-29.22772053)
8.274e-05 TDB
period 1713.639553050735
4.69
1.762e-05
4.824e-08
d
yr
n .2100791845981286 2.16e-09 deg/d
Q 3.303377143447586 2.2643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7395 days (20.25 yr)  
   first obs. used      1998-03-20  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:57:46  

Additional Information
 Earth MOID = 1.33368 au 
 Jupiter MOID = 1.80248 au 
 T_jup = 3.270 
[ 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 15.7   n/a MPO417616  

118260 (1998 FP54)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 FP54 = 2003 KE32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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