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

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449523893554082 5.57e-08  
a 2.565868942870169 2.4656e-08 AU
q 2.193940108828302 1.4052e-07 AU
i 14.11543111379677 8.929e-06 deg
node 150.1225758578485 2.4526e-05 deg
peri 267.0969750324679 4.287e-05 deg
M 265.4644945909874 3.635e-05 deg
tp 2457194.723565596505
(2015-Jun-21.22356560)
0.000154 JED
period 1501.24001559748
4.11
2.1639e-05
5.924e-08
d
yr
n .2398017613837206 3.4565e-09 deg/d
Q 2.937797776912035 2.823e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      22090 days (60.48 yr)  
   first obs. used      1953-12-31  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49808  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:34:13  

Additional Information
 Earth MOID = 1.25725 AU 
 T_jup = 3.376 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO266038  

15270 (1991 AE2)          Discovered 1991-Jan-07 by McNaught, R. H. at Siding Spring (413)
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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