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JPL Small-Body Database Browser
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266583 (2008 HT28)
Classification: Main-belt Asteroid          SPK-ID: 2266583
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048159509932947 5.7829e-08  
a 2.462083113184868 1.7307e-08 au
q 1.957809218933378 1.4338e-07 au
i 3.761124635682426 3.8838e-06 deg
node 69.4167475281522 0.00010369 deg
peri 306.8676362122666 0.00010432 deg
M 136.7415110406805 1.1146e-05 deg
tp 2458064.517802514942
(2017-Nov-07.01780252)
4.4113e-05 TDB
period 1411.082776737908
3.86
1.4878e-05
4.073e-08
d
yr
n .2551232329773279 2.69e-09 deg/d
Q 2.966357007436359 2.0851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      8851 days (24.23 yr)  
   first obs. used      1994-12-03  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:33:57  

Additional Information
 Earth MOID = .961437 au 
 Jupiter MOID = 2.49525 au 
 T_jup = 3.457 
[ 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 16.6   n/a MPO437227  

266583 (2008 HT28)          Discovered 2008-Apr-28 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 HT28 = 2006 UA347 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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