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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448731988677814 4.7099e-08  
a 2.565542615283847 2.0043e-08 AU
q 2.193864249776062 1.2507e-07 AU
i 14.11622241494941 8.8363e-06 deg
node 150.1223867800965 2.0463e-05 deg
peri 267.1359892372897 4.078e-05 deg
M 313.3834208790912 3.6101e-05 deg
tp 2457194.859232725128
(2015-Jun-21.35923273)
0.00015146 JED
period 1500.953632817361
4.11
1.7589e-05
4.816e-08
d
yr
n .2398475156919158 2.8107e-09 deg/d
Q 2.937220980791631 2.2947e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      22241 days (60.89 yr)  
   first obs. used      1953-12-31  
   last obs. used      2014-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48866  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:42:41  

Additional Information
 Earth MOID = 1.25789 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 13.5 mag n/a MPO302159  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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