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277728 (2006 DW74)
Classification: Main-belt Asteroid          SPK-ID: 2277728
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1654749343412799 5.9094e-08  
a 2.806271535744897 3.3939e-08 au
q 2.341903937623707 1.6334e-07 au
i 6.866174650834723 9.1436e-06 deg
node 347.8345404551889 5.1914e-05 deg
peri 247.8997387919936 5.8951e-05 deg
M 307.0791804627978 3.0903e-05 deg
tp 2459252.916083546862
(2021-Feb-07.41608355)
0.00014948 TDB
period 1717.089623167887
4.70
3.1149e-05
8.528e-08
d
yr
n .2096570820431785 3.8033e-09 deg/d
Q 3.270639133866086 3.9555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5970 days (16.34 yr)  
   first obs. used      2003-09-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:14:11  

Additional Information
 Earth MOID = 1.3415 au 
 Jupiter MOID = 1.79291 au 
 T_jup = 3.292 
[ 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 16.6   n/a MPO418477  

277728 (2006 DW74)          Discovered 2006-Feb-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2006 DW74 = 2008 UH234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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