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66786 (1999 TX228)
Classification: Main-belt Asteroid          SPK-ID: 2066786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05555432832143785 4.1582e-08  
a 2.741030281436426 1.6221e-08 au
q 2.588754185242504 1.1612e-07 au
i 2.177100716355988 5.6514e-06 deg
node 152.3795277670963 0.00011081 deg
peri 151.6161712989956 0.0001206 deg
M 300.6078908962244 4.746e-05 deg
tp 2459473.961016768031
(2021-Sep-16.46101677)
0.00021846 TDB
period 1657.559691380501
4.54
1.4714e-05
4.028e-08
d
yr
n .2171867486112512 1.9279e-09 deg/d
Q 2.893306377630349 1.7122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7542 days (20.65 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:56  

Additional Information
 Earth MOID = 1.57177 au 
 Jupiter MOID = 2.22522 au 
 T_jup = 3.347 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.51   n/a E2021B10  

66786 (1999 TX228)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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