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109451 (2001 QF207)
Classification: Main-belt Asteroid          SPK-ID: 2109451
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735266225196827 7.0867e-08  
a 3.123245827580086 2.4398e-08 au
q 2.581279527821422 2.212e-07 au
i 1.268894550853698 5.7253e-06 deg
node 50.22737280275247 0.000241 deg
peri 302.9932969600706 0.00024138 deg
M 124.4910119682673 1.6006e-05 deg
tp 2458303.322799582222
(2018-Jul-03.82279958)
8.7961e-05 TDB
period 2016.079620385571
5.52
2.3624e-05
6.468e-08
d
yr
n .1785643763072962 2.0924e-09 deg/d
Q 3.665212127338749 2.8632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      9423 days (25.80 yr)  
   first obs. used      1994-04-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:25:59  

Additional Information
 Earth MOID = 1.57642 au 
 Jupiter MOID = 1.77234 au 
 T_jup = 3.192 
[ 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 15.1   n/a MPO453554  
diameter diameter 5.581 km 1.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109451 (2001 QF207)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2001 QF207 = 1994 HY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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