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243089 (2007 QN2)
Classification: Main-belt Asteroid          SPK-ID: 2243089
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217308465826906 6.9073e-08  
a 2.779445356155998 3.1843e-08 au
q 2.4411011199208 2.1017e-07 au
i 9.649005307251308 7.1958e-06 deg
node 50.27307372828798 2.6573e-05 deg
peri 283.3204321720538 3.84e-05 deg
M 276.0250076599095 2.8272e-05 deg
tp 2459395.305422910481
(2021-Jun-29.80542291)		 0.00013429 TDB
period 1692.527123696073
4.63		 2.9086e-05
7.963e-08		 d
yr
n .212699693233776 3.6552e-09 deg/d
Q 3.117789592391195 3.5719e-08 au
   Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6088 days (16.67 yr)  
   first obs. used      2003-10-23  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:58:43  

Additional Information
 Earth MOID = 1.45412 au 
 Jupiter MOID = 2.28116 au 
 T_jup = 3.302 
[ 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 16.1   n/a MPO433593  
diameter diameter 3.725 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243089 (2007 QN2)          Discovered 2007-Aug-21 by Hoenig, S. F., Teamo, N. at Hibiscus
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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