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50412 Ewen (2000 DG1)
Classification: Main-belt Asteroid          SPK-ID: 2050412
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0830105787688942 6.9516e-08  
a 2.688952974307369 2.7287e-08 AU
q 2.465741431627774 1.8329e-07 AU
i 3.044561305664158 6.0153e-06 deg
node 94.64639013398389 0.00015038 deg
peri 309.4634676749026 0.00015649 deg
M 212.2456348605217 4.3619e-05 deg
tp 2457461.514607682079
(2016-Mar-14.01460768)
0.00019662 JED
period 1610.546385826991
4.41
2.4516e-05
6.712e-08
d
yr
n .2235266262232773 3.4025e-09 deg/d
Q 2.912164516986963 2.9552e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      6527 days (17.87 yr)  
   first obs. used      1996-04-14  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55857  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:52:14  

Additional Information
 Earth MOID = 1.47486 AU 
 T_jup = 3.366 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO259670  

50412 Ewen           Discovered 2000 Feb. 26 by W. K. Y. Yeung at Rock Finder Observatory.
Harry Ewen (b. 1957) is a Canadian amateur astronomer who devotes his time to astronomical education for school kids around Drumheller, Alberta. This minor planet was one of the 15 found using his 0.40-m telescope.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 DG1 = 1996 HU17 = 1998 XD55 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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