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1488 Aura (1938 XE)
Classification: Main-belt Asteroid          SPK-ID: 2001488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175802161800371 3.7234e-08  
a 3.043624827944637 1.3261e-08 au
q 2.685754762703978 1.11e-07 au
i 10.53147960217527 5.0061e-06 deg
node 354.3995629086026 2.3381e-05 deg
peri 112.6933557347893 3.2591e-05 deg
M 177.3037755182349 2.2425e-05 deg
tp 2458245.286202613760
(2018-May-06.78620261)
0.00011892 TDB
period 1939.479100509511
5.31
1.2676e-05
3.47e-08
d
yr
n .185616849341365 1.2131e-09 deg/d
Q 3.401494893185296 1.482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      42024 days (115.06 yr)  
   first obs. used      1905-09-19  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:29  

Additional Information
 Earth MOID = 1.72364 au 
 Jupiter MOID = 1.74476 au 
 T_jup = 3.203 
[ 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 10.33   n/a E2021B10  
diameter diameter 24.665 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 99.7 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2008) Minor Planet Bull. 35, 126-127.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.139   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1488 Aura (1938 XE)          Discovered 1938-Dec-15 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1938 XE = 1932 WD = 1950 EM = 1953 VF1 = A905 SE = A918 EF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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