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227171 (2005 QF41)
Classification: Main-belt Asteroid          SPK-ID: 2227171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157280768473517 8.0538e-08  
a 2.640554365262473 1.7799e-08 au
q 2.225245945497891 2.1004e-07 au
i 10.79234540591987 6.3756e-06 deg
node 328.6588021367557 3.1511e-05 deg
peri 20.68776041700414 3.6013e-05 deg
M 200.9308161085688 1.8608e-05 deg
tp 2459893.007767719379
(2022-Nov-09.50776772)
8.4027e-05 TDB
period 1567.260171204071
4.29
1.5847e-05
4.339e-08
d
yr
n .2297002160933016 2.3225e-09 deg/d
Q 3.055862785027055 2.0599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2001-09-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5685  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:03:13  

Additional Information
 Earth MOID = 1.21963 au 
 Jupiter MOID = 2.36394 au 
 T_jup = 3.353 
[ 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 16.15   n/a E2021B55  

227171 (2005 QF41)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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