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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3772509322855151 5.9127e-08  
a 2.415094474337369 1.115e-08 au
q 1.503997832336001 1.4032e-07 au
i 22.38799623320267 7.2724e-06 deg
node 270.0546538190541 1.4542e-05 deg
peri 228.5196079844999 1.9267e-05 deg
M 33.50226760937488 7.6223e-06 deg
tp 2458472.923314182907
(2018-Dec-20.42331418)
2.8819e-05 TDB
period 1370.880545450049
3.75
9.4933e-06
2.599e-08
d
yr
n .2626049375307276 1.8185e-09 deg/d
Q 3.326191116338738 1.5356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      7186 days (19.67 yr)  
   first obs. used      1999-11-01  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:57  

Additional Information
 Earth MOID = .589784 au 
 Jupiter MOID = 2.06141 au 
 T_jup = 3.321 
[ 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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