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27828 (1994 AY2)
Classification: Main-belt Asteroid          SPK-ID: 2027828
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114042687843324 3.5124e-08  
a 2.709411723934508 1.0712e-08 au
q 2.400423128462802 9.6893e-08 au
i 6.084688494893122 3.8067e-06 deg
node 293.5090019856594 3.9083e-05 deg
peri 180.7966889213295 4.3829e-05 deg
M 331.5516475307647 1.9982e-05 deg
tp 2459129.225786742986
(2020-Oct-06.72578674)
9.069e-05 TDB
period 1628.961932948124
4.46
9.6603e-06
2.645e-08
d
yr
n .2209996395363676 1.3106e-09 deg/d
Q 3.018400319406213 1.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1719  
   data-arc span      14693 days (40.23 yr)  
   first obs. used      1979-11-14  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:11:04  

Additional Information
 Earth MOID = 1.41688 au 
 Jupiter MOID = 2.07839 au 
 T_jup = 3.346 
[ 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 13.7   n/a MPO351019  
diameter diameter 8.187 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27828 (1994 AY2)          Discovered 1994-Jan-12 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 AY2 = 1979 VD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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