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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468151438939836 9.4113e-09  
a 2.564682928360005 1.0593e-08 au
q 2.188148635190387 2.2265e-08 au
i 14.10813837814801 1.2609e-06 deg
node 150.0460018666143 2.7655e-06 deg
peri 267.4154383428834 1.2712e-05 deg
M 120.8203264893836 1.177e-05 deg
tp 2458697.015097282022
(2019-Aug-01.51509728)
4.8371e-05 TDB
period 1500.199264851341
4.11
9.2942e-06
2.545e-08
d
yr
n .2399681218585809 1.4867e-09 deg/d
Q 2.941217221529622 1.2148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2070  
   data-arc span      24546 days (67.20 yr)  
   first obs. used      1953-12-31  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:53:40  

Additional Information
 Earth MOID = 1.25198 au 
 Jupiter MOID = 2.47109 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 13.63   n/a E2021B10  
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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