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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467168283720604 2.7021e-08  
a 2.565110482865687 1.1208e-08 au
q 2.188765608395709 6.9774e-08 au
i 14.10721918730999 5.571e-06 deg
node 150.0450168706696 1.2946e-05 deg
peri 267.4801007186914 2.3962e-05 deg
M 72.77484409946621 1.9845e-05 deg
tp 2458697.155361660624
(2019-Aug-01.65536166)		 8.236e-05 TDB
period 1500.574424493703
4.11		 9.8347e-06
2.693e-08		 d
yr
n .2399081272636409 1.5723e-09 deg/d
Q 2.941455357335665 1.2852e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1822  
   data-arc span      24140 days (66.09 yr)  
   first obs. used      1953-12-31  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:14:38  

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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