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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192873546515641 3.777e-08  
a 3.038178211129026 1.3916e-08 au
q 2.675761969363423 1.1337e-07 au
i 10.53292883387966 5.4399e-06 deg
node 354.4991110855818 2.3443e-05 deg
peri 112.0743149071269 3.4115e-05 deg
M 66.2430819348136 2.3533e-05 deg
tp 2458244.576779061617
(2018-May-06.07677906)
0.00012614 TDB
period 1934.275335557397
5.30
1.3289e-05
3.638e-08
d
yr
n .1861162128173751 1.2787e-09 deg/d
Q 3.400594452894629 1.5575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2224  
   data-arc span      41604 days (113.91 yr)  
   first obs. used      1905-09-19  
   last obs. used      2019-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4376  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:18:02  

Additional Information
 Earth MOID = 1.71432 au 
 Jupiter MOID = 1.75201 au 
 T_jup = 3.204 
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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 10.3   n/a MPO384761  
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. 2019-January); 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

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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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