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146937 (2002 DO9)
Classification: Main-belt Asteroid          SPK-ID: 2146937
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1552704187939771 4.7599e-08  
a 3.124957042949875 2.6839e-08 au
q 2.639743654177859 1.4782e-07 au
i 18.65095389267989 5.5483e-06 deg
node 79.59593482586799 1.4341e-05 deg
peri 134.5374891583811 2.235e-05 deg
M 54.56976778827118 1.5238e-05 deg
tp 2458694.646038896439
(2019-Jul-30.14603890)
8.509e-05 TDB
period 2017.736751684465
5.52
2.5994e-05
7.117e-08
d
yr
n .1784177245616712 2.2985e-09 deg/d
Q 3.61017043172189 3.1006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2001-12-22  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:46:54  

Additional Information
 Earth MOID = 1.6631 au 
 Jupiter MOID = 1.53258 au 
 T_jup = 3.116 
[ 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 14.5   n/a MPO475273  
diameter diameter 8.839 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146937 (2002 DO9)          Discovered 2002-Feb-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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