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27828 (1994 AY2)
Classification: Main-belt Asteroid          SPK-ID: 2027828
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123096492636569 6.5497e-08  
a 2.710274923268834 2.3477e-08 AU
q 2.405884897228427 1.738e-07 AU
i 6.083243459422866 6.9054e-06 deg
node 293.6489541917465 5.8832e-05 deg
peri 180.9336964692726 6.8714e-05 deg
M 205.1300234009917 3.3302e-05 deg
tp 2457501.605185197010
(2016-Apr-23.10518520)
0.00015209 JED
period 1629.74045850369
4.46
2.1176e-05
5.798e-08
d
yr
n .2208940682067414 2.8702e-09 deg/d
Q 3.014664949309242 2.6114e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      12282 days (33.63 yr)  
   first obs. used      1979-11-14  
   last obs. used      2013-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5696  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 21:56:00  

Additional Information
 Earth MOID = 1.42208 AU 
 T_jup = 3.346 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO266097  

27828 (1994 AY2)          Discovered 1994-Jan-12 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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