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JPL Small-Body Database Browser
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419880 (2011 AH37)
Classification: Apollo [NEO, PHA]          SPK-ID: 2419880
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6721109390971234 2.4299e-08  
a 2.545812831312203 1.6719e-08 au
q .8347441784934516 5.9449e-08 au
i 9.65817629389953 1.031e-05 deg
node 102.0728528954635 4.2593e-05 deg
peri 322.3949880149315 4.2648e-05 deg
M 128.5309298348056 1.8891e-06 deg
tp 2458470.783766850780
(2018-Dec-18.28376685)
7.3521e-06 TDB
period 1483.672795169331
4.06
1.4616e-05
4.002e-08
d
yr
n .242641100633589 2.3903e-09 deg/d
Q 4.256881484130954 2.7957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      2981 days (8.16 yr)  
   first obs. used      2011-01-07  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53261  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:18:44  

Additional Information
 Earth MOID = .0355967 au 
 Jupiter MOID = 1.16917 au 
 T_jup = 3.065 
[ 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 19.7   n/a MPO472222  
diameter diameter 0.982 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.026   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

419880 (2011 AH37)          Discovered 2011-Jan-07 by WISE at WISE
Reference: Last Updated: 2015-01-07

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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