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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820659028742067 1.8717e-08  
a 2.709556574747945 1.1773e-08 au
q 2.216238710577718 5.3884e-08 au
i 17.59023872028346 4.1598e-07 deg
node 142.8626208253433 2.3788e-06 deg
peri 235.12300060105 4.1332e-06 deg
M 327.6555356160512 5.8876e-06 deg
tp 2459346.867018020824
(2021-May-12.36701802)
2.7128e-05 TDB
period 1629.092566258271
4.46
1.0617e-05
2.907e-08
d
yr
n .2209819180667274 1.4402e-09 deg/d
Q 3.202874438918173 1.3916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2164  
   data-arc span      11466 days (31.39 yr)  
   first obs. used      1989-08-01  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:22:38  

Additional Information
 Earth MOID = 1.25829 au 
 Jupiter MOID = 2.36672 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 13.24   n/a E2021B10  
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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