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243439 (2009 DZ112)
Classification: Main-belt Asteroid          SPK-ID: 2243439
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180672383122631 4.3025e-08  
a 2.221387065703548 1.2636e-08 au
q 1.820043770705099 9.4461e-08 au
i 5.895848771938634 4.8671e-06 deg
node 144.296902080447 5.5865e-05 deg
peri 176.6708140489282 5.9207e-05 deg
M 353.7869542738193 1.9703e-05 deg
tp 2459021.370691289163
(2020-Jun-20.87069129)
6.6213e-05 TDB
period 1209.30203884361
3.31
1.0318e-05
2.825e-08
d
yr
n .2976923782781747 2.54e-09 deg/d
Q 2.622730360701996 1.4919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      8874 days (24.30 yr)  
   first obs. used      1996-04-14  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 16:44:48  

Additional Information
 Earth MOID = .807378 au 
 Jupiter MOID = 2.68669 au 
 T_jup = 3.621 
[ 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 17.1   n/a MPO433595  
diameter diameter 1.123 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243439 (2009 DZ112)          Discovered 2009-Feb-27 by CSS at Catalina
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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