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9428 Angelalouise (1996 DW2)
Classification: Main-belt Asteroid          SPK-ID: 2009428
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826145273893936 3.4912e-08  
a 2.710651870874648 1.2148e-08 au
q 2.215647460557699 9.6705e-08 au
i 17.58233123513268 3.7445e-06 deg
node 142.8736628776427 1.2805e-05 deg
peri 235.0905622640357 1.6084e-05 deg
M 283.5458074698869 1.1115e-05 deg
tp 2459346.684683399845
(2021-May-12.18468340)
5.1422e-05 TDB
period 1630.080469097328
4.46
1.0958e-05
3e-08
d
yr
n .2208479929824282 1.4846e-09 deg/d
Q 3.205656281191598 1.4366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      11424 days (31.28 yr)  
   first obs. used      1989-08-01  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:38:31  

Additional Information
 Earth MOID = 1.25918 au 
 Jupiter MOID = 2.36343 au 
 T_jup = 3.273 
[ 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 13.2   n/a MPO439151  
diameter diameter 14.078 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9428 Angelalouise (1996 DW2)          Discovered 1996-Feb-26 by Laurie, S. P. at Church Stretton
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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