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362834 (2012 AE21)
Classification: Main-belt Asteroid          SPK-ID: 2362834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142301074230354 6.314e-08  
a 3.112334554063166 5.192e-08 au
q 2.669446003655727 2.1096e-07 au
i 8.068358193485654 7.6887e-06 deg
node 168.5011609062142 4.554e-05 deg
peri 332.0923164133656 5.2655e-05 deg
M 240.7317723411338 3.161e-05 deg
tp 2460060.931331191581
(2023-Apr-26.43133119)
0.00018757 TDB
period 2005.523884475933
5.49
5.0184e-05
1.374e-07
d
yr
n .1795042197136796 4.4917e-09 deg/d
Q 3.555223104470604 5.9308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5394 days (14.77 yr)  
   first obs. used      2005-12-07  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:00  

Additional Information
 Earth MOID = 1.6859 au 
 Jupiter MOID = 1.47737 au 
 T_jup = 3.188 
[ 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 16.02   n/a E2021B25  
diameter diameter 3.781 km 1.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

362834 (2012 AE21)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2012 AE21 = 2010 OM53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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