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120072 (2003 DD18)
Classification: Main-belt Asteroid          SPK-ID: 2120072
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07757409228991358 3.7005e-08  
a 2.439738465648609 1.6161e-08 au
q 2.250477968751131 9.6063e-08 au
i 7.772829483399635 3.9544e-06 deg
node 102.0014103192492 3.5874e-05 deg
peri 2.726002756440673 5.6604e-05 deg
M 277.3439298907418 4.7095e-05 deg
tp 2459520.084412798654
(2021-Nov-01.58441280)		 0.00018398 TDB
period 1391.916993578777
3.81		 1.383e-05
3.786e-08		 d
yr
n .2586361123980526 2.5698e-09 deg/d
Q 2.628998962546086 1.7415e-08 au
   Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8985 days (24.60 yr)  
   first obs. used      1996-04-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:46:30  

Additional Information
 Earth MOID = 1.26722 au 
 Jupiter MOID = 2.46648 au 
 T_jup = 3.486 
[ 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 16.50   n/a E2021B55  

120072 (2003 DD18)          Discovered 2003-Feb-19 by NEAT at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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