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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1732411265645099 8.0972e-08  
a 3.12325212512726 2.5775e-08 au
q 2.582176408425214 2.5637e-07 au
i 1.269100863744027 6.8082e-06 deg
node 50.23983092207991 0.00026352 deg
peri 302.9831754605177 0.00026394 deg
M 53.09626029191637 1.6705e-05 deg
tp 2458303.148299841479
(2018-Jul-03.64829984)
9.3367e-05 TDB
period 2016.085718062612
5.52
2.4957e-05
6.833e-08
d
yr
n .1785638362370562 2.2104e-09 deg/d
Q 3.664327841829306 3.024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      9050 days (24.78 yr)  
   first obs. used      1994-04-16  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5665  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:31:15  

Additional Information
 Earth MOID = 1.57641 au 
 Jupiter MOID = 1.76959 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

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