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15270 (1991 AE2)
Classification: Main-belt Asteroid          SPK-ID: 2015270
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467168288338012 2.6879e-08  
a 2.565110482672107 1.0958e-08 au
q 2.188765607046114 6.9184e-08 au
i 14.10721870976946 5.5544e-06 deg
node 150.0450160582661 1.2796e-05 deg
peri 267.48010134974 2.3764e-05 deg
M 72.77484436079908 1.9599e-05 deg
tp 2458697.155360605658
(2019-Aug-01.65536061)		 8.1391e-05 TDB
period 1500.574424323838
4.11		 9.616e-06
2.633e-08		 d
yr
n .2399081272907984 1.5374e-09 deg/d
Q 2.9414553582981 1.2566e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1904  
   data-arc span      24223 days (66.32 yr)  
   first obs. used      1953-12-31  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:09:18  

Additional Information
 Earth MOID = 1.25333 au 
 Jupiter MOID = 2.47044 au 
 T_jup = 3.376 
[ 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 13.6   n/a MPO365435  
diameter diameter 4.559 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.371   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15270 (1991 AE2)          Discovered 1991-Jan-07 by McNaught, R. H. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 AE2 = 2000 CM93 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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