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294597 (2008 AY1)
Classification: Main-belt Asteroid          SPK-ID: 2294597
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205418643170064 6.2239e-08  
a 2.628976924239136 2.5857e-08 au
q 2.088936051536524 1.7172e-07 au
i 13.00531036129632 6.0436e-06 deg
node 276.1686540145668 3.3468e-05 deg
peri 180.3383005764319 3.9419e-05 deg
M 341.0480865268921 2.3776e-05 deg
tp 2459082.465133804237
(2020-Aug-20.96513380)
0.00010362 TDB
period 1556.964061248772
4.26
2.297e-05
6.289e-08
d
yr
n .2312192098456401 3.4112e-09 deg/d
Q 3.169017796941747 3.1169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      10517 days (28.79 yr)  
   first obs. used      1991-02-07  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:29:34  

Additional Information
 Earth MOID = 1.10576 au 
 Jupiter MOID = 2.02819 au 
 T_jup = 3.335 
[ 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 16.1   n/a MPO300293  
diameter diameter 3.977 km 0.579 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

294597 (2008 AY1)          Discovered 2008-Jan-05 by Lowe, A. at Mayhill
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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