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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416217299440309 6.3048e-08  
a 3.11443625257205 5.244e-08 au
q 2.673364402682392 2.1097e-07 au
i 8.064683813327255 7.6854e-06 deg
node 168.4997929567395 4.5558e-05 deg
peri 331.9491266699149 5.2747e-05 deg
M 205.696325335102 3.1179e-05 deg
tp 2460060.981155619314
(2023-Apr-26.48115562)
0.00018849 TDB
period 2007.555663827766
5.50
5.0704e-05
1.388e-07
d
yr
n .1793225495494333 4.529e-09 deg/d
Q 3.555508102461709 5.9866e-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 = 1.68907 au 
 Jupiter MOID = 1.47786 au 
 T_jup = 3.187 
[ 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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