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65686 (1990 TN8)
Classification: Main-belt Asteroid          SPK-ID: 2065686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156934825582082 3.8243e-08  
a 3.043337141801342 1.5373e-08 au
q 2.386909155087467 1.1743e-07 au
i 4.226859648625978 4.7489e-06 deg
node 186.6471646830833 5.091e-05 deg
peri 167.7846026289392 5.1878e-05 deg
M 287.9865417399453 1.2468e-05 deg
tp 2459784.413320326316
(2022-Jul-23.91332033)
6.9066e-05 TDB
period 1939.204125056386
5.31
1.4693e-05
4.023e-08
d
yr
n .1856431694572289 1.4066e-09 deg/d
Q 3.699765128515216 1.8689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      11235 days (30.76 yr)  
   first obs. used      1990-09-22  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:33:07  

Additional Information
 Earth MOID = 1.38158 au 
 Jupiter MOID = 1.75565 au 
 T_jup = 3.199 
[ 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 14.04   n/a E2021B10  

65686 (1990 TN8)          Discovered 1990-Oct-14 by Mrkos, A. at Klet
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 TN8 = 1990 SX26 = 1990 UU12 = 2001 QT77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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