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109480 (2001 QF222)
Classification: Main-belt Asteroid          SPK-ID: 2109480
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449571683809064 4.2288e-08  
a 3.066334008507858 2.409e-08 au
q 2.621846913324485 1.2404e-07 au
i 11.20362246265511 4.6467e-06 deg
node 194.748731150689 2.0278e-05 deg
peri 207.2634569906795 2.4717e-05 deg
M 119.8721072750331 1.4268e-05 deg
tp 2458347.454778789530
(2018-Aug-16.95477879)
7.663e-05 TDB
period 1961.225884653609
5.37
2.3112e-05
6.328e-08
d
yr
n .1835586623738565 2.1631e-09 deg/d
Q 3.510821103691232 2.7582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1999-04-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:28  

Additional Information
 Earth MOID = 1.63483 au 
 Jupiter MOID = 1.94096 au 
 T_jup = 3.187 
[ 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 14.7   n/a MPO432617  
diameter diameter 4.883 km 0.462 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109480 (2001 QF222)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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