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249687 (2000 AY42)
Classification: Mars-crossing Asteroid          SPK-ID: 2249687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3780402614999952 5.6655e-08  
a 2.416793831795448 1.1195e-08 au
q 1.503148459631922 1.3434e-07 au
i 22.37766878023168 7.0229e-06 deg
node 270.0430401652831 1.3322e-05 deg
peri 228.6617430482756 1.5357e-05 deg
M 138.2145586110717 6.5861e-06 deg
tp 2458473.623142536258
(2018-Dec-21.12314254)
2.3798e-05 TDB
period 1372.327709852073
3.76
9.5355e-06
2.611e-08
d
yr
n .2623280120451736 1.8228e-09 deg/d
Q 3.330439203958975 1.5428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1999-11-01  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:16:01  

Additional Information
 Earth MOID = .589105 au 
 Jupiter MOID = 2.05797 au 
 T_jup = 3.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO454851  
diameter diameter 2.171 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.319   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

249687 (2000 AY42)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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