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193870 (2001 QF154)
Classification: Main-belt Asteroid          SPK-ID: 2193870
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2480880020490419 4.8274e-08  
a 2.294517280527878 1.1836e-08 au
q 1.725275072734715 1.1126e-07 au
i 4.989491609787568 6.4063e-06 deg
node 81.76855836792872 6.7031e-05 deg
peri 201.2912709246349 6.9468e-05 deg
M 184.6463861871688 1.5752e-05 deg
tp 2459618.868909480008
(2022-Feb-08.36890948)
5.5503e-05 TDB
period 1269.50795351395
3.48
9.8232e-06
2.689e-08
d
yr
n .2835744344913584 2.1942e-09 deg/d
Q 2.86375948832104 1.4773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2001-08-01  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:59:25  

Additional Information
 Earth MOID = .709984 au 
 Jupiter MOID = 2.29699 au 
 T_jup = 3.549 
[ 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 17.2   n/a MPO440069  

193870 (2001 QF154)          Discovered 2001-Aug-29 by Wolf, M., Sarounova, L. at Ondrejov
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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