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390893 (2005 AF38)
Classification: Main-belt Asteroid          SPK-ID: 2390893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880693320038636 5.2914e-08  
a 2.607084097309036 2.2401e-08 au
q 2.11677153265023 1.3784e-07 au
i 9.236296451721248 6.1052e-06 deg
node 135.4657475407923 4.6883e-05 deg
peri 2.20730164705135 5.1213e-05 deg
M 220.0944334014493 2.1709e-05 deg
tp 2459598.035182765093
(2022-Jan-18.53518277)
9.5817e-05 TDB
period 1537.556160382697
4.21
1.9817e-05
5.426e-08
d
yr
n .2341377890940882 3.0177e-09 deg/d
Q 3.097396661967843 2.6614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5783 days (15.83 yr)  
   first obs. used      2004-12-14  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:37:36  

Additional Information
 Earth MOID = 1.13047 au 
 Jupiter MOID = 1.93666 au 
 T_jup = 3.368 
[ 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 16.9   n/a MPO437600  
diameter diameter 2.397 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390893 (2005 AF38)          Discovered 2005-Jan-13 by CSS at Catalina
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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