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154469 (2003 DR17)
Classification: Main-belt Asteroid          SPK-ID: 2154469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287003470107836 4.1694e-08  
a 2.419904769876959 1.1733e-08 au
q 2.108462186260744 1.0179e-07 au
i 6.628345451851164 6.6283e-06 deg
node .05198129598875605 4.0878e-05 deg
peri 270.5361005997966 4.8561e-05 deg
M 122.693825492619 2.6158e-05 deg
tp 2458531.885149765280
(2019-Feb-17.38514977)
9.9546e-05 TDB
period 1374.978287677955
3.76
9.9998e-06
2.738e-08
d
yr
n .2618223161966893 1.9042e-09 deg/d
Q 2.731347353493175 1.3243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      9459 days (25.90 yr)  
   first obs. used      1993-10-13  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57774  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:37:33  

Additional Information
 Earth MOID = 1.10531 au 
 Jupiter MOID = 2.38803 au 
 T_jup = 3.494 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO493878  
diameter diameter 2.763 km 0.481 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154469 (2003 DR17)          Discovered 2003-Feb-22 by Kessel, J. W. at Goodricke-Pigott
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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