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226318 (2003 DG18)
Classification: Main-belt Asteroid          SPK-ID: 2226318
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444314721590253 8.5504e-08  
a 2.445193191389744 2.1843e-08 au
q 2.092030339044098 1.9937e-07 au
i 4.010711129743095 6.7142e-06 deg
node 96.75210508664699 0.00010084 deg
peri 114.3060659921109 0.0001038 deg
M 135.5147327309081 2.5004e-05 deg
tp 2458474.782776288310
(2018-Dec-22.28277629)
9.3316e-05 TDB
period 1396.587638275603
3.82
1.8714e-05
5.124e-08
d
yr
n .257771148858585 3.454e-09 deg/d
Q 2.79835604373539 2.4998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6943 days (19.01 yr)  
   first obs. used      1999-01-10  
   last obs. used      2018-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:26:20  

Additional Information
 Earth MOID = 1.09003 au 
 Jupiter MOID = 2.17033 au 
 T_jup = 3.481 
[ 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 16.5   n/a MPO433483  

226318 (2003 DG18)          Discovered 2003-Feb-19 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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