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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215275679997658 7.2755e-08  
a 2.779175964053817 3.9623e-08 au
q 2.441429468098952 2.1465e-07 au
i 9.649470949968523 7.5129e-06 deg
node 50.27446228359209 4.1032e-05 deg
peri 283.4327845703538 4.9249e-05 deg
M 190.7881377712077 2.9288e-05 deg
tp 2459395.927861121892
(2021-Jun-30.42786112)		 0.00014306 TDB
period 1692.281062522085
4.63		 3.6191e-05
9.909e-08		 d
yr
n .2127306202100231 4.5494e-09 deg/d
Q 3.116922460008682 4.4438e-08 au
   Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      5613 days (15.37 yr)  
   first obs. used      2003-10-23  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:28:35  

Additional Information
 Earth MOID = 1.45358 au 
 Jupiter MOID = 2.28068 au 
 T_jup = 3.303 
[ 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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