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JPL Small-Body Database Browser
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66787 (1999 TY228)
Classification: Main-belt Asteroid          SPK-ID: 2066787
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0686364070953344 4.7113e-08  
a 2.766446040163709 1.9623e-08 au
q 2.576567123543757 1.3475e-07 au
i 9.538612432034464 5.2267e-06 deg
node 179.6207642276951 2.9033e-05 deg
peri 47.68771060786895 4.6192e-05 deg
M 314.0397771654606 3.6357e-05 deg
tp 2459215.066223429739
(2020-Dec-31.56622343)
0.0001703 TDB
period 1680.667230722324
4.60
1.7882e-05
4.896e-08
d
yr
n .2142006421135954 2.2791e-09 deg/d
Q 2.956324956783661 2.097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      10699 days (29.29 yr)  
   first obs. used      1990-10-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:03:16  

Additional Information
 Earth MOID = 1.57943 au 
 Jupiter MOID = 2.02773 au 
 T_jup = 3.316 
[ 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 15.1   n/a MPO333374  

66787 (1999 TY228)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TY228 = 1997 EN43 = 1999 TN326 = 2002 EA87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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