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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186456341274724 3.7361e-08  
a 3.040445127700043 1.34e-08 au
q 2.679709587494287 1.1151e-07 au
i 10.52980130541024 5.0955e-06 deg
node 354.4680970294996 2.3415e-05 deg
peri 112.3896604562515 3.2712e-05 deg
M 140.4047653599041 2.2378e-05 deg
tp 2458245.262529435836
(2018-May-06.76252944)
0.00011914 TDB
period 1936.44060944916
5.30
1.2801e-05
3.505e-08
d
yr
n .1859081028580606 1.229e-09 deg/d
Q 3.401180667905798 1.499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2403  
   data-arc span      41956 days (114.87 yr)  
   first obs. used      1905-09-19  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:35:23  

Additional Information
 Earth MOID = 1.71786 au 
 Jupiter MOID = 1.74792 au 
 T_jup = 3.204 
[ 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 10.3   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-August); 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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