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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739366444151476 7.0687e-08  
a 3.122327344287307 2.3499e-08 au
q 2.579240203256314 2.2087e-07 au
i 1.268965649743861 5.3261e-06 deg
node 50.21611208340045 0.00023866 deg
peri 303.0437326689214 0.00023898 deg
M 195.1478550747011 1.5985e-05 deg
tp 2460319.301256151300
(2024-Jan-09.80125615)
9.3738e-05 TDB
period 2015.190353543807
5.52
2.275e-05
6.229e-08
d
yr
n .1786431735180367 2.0167e-09 deg/d
Q 3.6654144853183 2.7586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      9879 days (27.05 yr)  
   first obs. used      1994-04-16  
   last obs. used      2021-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:19:39  

Additional Information
 Earth MOID = 1.57356 au 
 Jupiter MOID = 1.77326 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 15.27   n/a MPCxxxxx  
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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