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109622 (2001 QQ294)
Classification: Main-belt Asteroid          SPK-ID: 2109622
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638343064488829 3.7874e-08  
a 2.654964321477028 1.5466e-08 au
q 2.21999008322131 1.0173e-07 au
i 10.56929628762257 4.9671e-06 deg
node 316.107835610852 2.4679e-05 deg
peri 283.1422907799216 3.0491e-05 deg
M 208.6240095787025 2.0601e-05 deg
tp 2459664.917339128639
(2022-Mar-26.41733913)
9.3478e-05 TDB
period 1580.106867810508
4.33
1.3807e-05
3.78e-08
d
yr
n .2278326911513509 1.9907e-09 deg/d
Q 3.089938559732746 1.7999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7239 days (19.82 yr)  
   first obs. used      2000-03-30  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:29:33  

Additional Information
 Earth MOID = 1.23632 au 
 Jupiter MOID = 2.07536 au 
 T_jup = 3.345 
[ 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 15.3   n/a MPO453556  
diameter diameter 4.901 km 0.422 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109622 (2001 QQ294)          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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