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109534 (2001 QF250)
Classification: Main-belt Asteroid          SPK-ID: 2109534
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .265957857014837 5.6954e-08  
a 2.449526564234715 1.537e-08 au
q 1.798055728509934 1.3254e-07 au
i 20.30613903975186 7.3664e-06 deg
node 1.329318240568864 1.7671e-05 deg
peri 62.90853207168964 2.4064e-05 deg
M 165.0383015174808 1.7703e-05 deg
tp 2457958.546010834319
(2017-Jul-24.04601083)
6.5033e-05 TDB
period 1400.301832815255
3.83
1.318e-05
3.608e-08
d
yr
n .2570874304122228 2.4197e-09 deg/d
Q 3.100997399959497 1.9458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      7053 days (19.31 yr)  
   first obs. used      1999-02-18  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50946  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:18:16  

Additional Information
 Earth MOID = .888921 au 
 Jupiter MOID = 2.60427 au 
 T_jup = 3.365 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO436526  
diameter diameter 2.797 km 0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109534 (2001 QF250)          Discovered 2001-Aug-24 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QF250 = 1999 FL7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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