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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153639428388753 4.7905e-08  
a 3.043540136059071 1.8149e-08 au
q 2.388071332169023 1.4251e-07 au
i 4.22639068880532 5.4695e-06 deg
node 186.6451200013447 5.3663e-05 deg
peri 167.79322483212 5.4746e-05 deg
M 214.4326129269085 1.4124e-05 deg
tp 2459784.703114081768
(2022-Jul-24.20311408)
8.1104e-05 TDB
period 1939.398149172541
5.31
1.7347e-05
4.749e-08
d
yr
n .1856245970707958 1.6603e-09 deg/d
Q 3.69900893994912 2.2057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      10808 days (29.59 yr)  
   first obs. used      1990-09-22  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:53:31  

Additional Information
 Earth MOID = 1.38357 au 
 Jupiter MOID = 1.75514 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456518.5 (2013-Aug-14.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132499008073865 4.8209e-08  
q 2.397789207513302 1.4389e-07 au
tp 2455905.657063954867
(2011-Dec-10.15706395)
6.1082e-05 TDB
node 186.698289133544 5.3723e-05 deg
peri 168.2378436723246 5.4817e-05 deg
i 4.221324687955248 5.4643e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      10808 days (29.59 yr)  
   first obs. used      1990-09-22  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:53:31  

Additional Information
 Jupiter MOID = 1.75514 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.324118858620873E-15 -6.905948338752355E-15 1.525070282834027E-12 5.460671864626185E-15 2.499568002651879E-13 -1.07402013810673E-15
q -6.905948338752355E-15 2.070551844973138E-14 -4.325397104567822E-12 -1.538860897702942E-14 -6.982237708997601E-13 3.370603147732463E-15
tp 1.525070282834027E-12 -4.325397104567822E-12 3.730990616821938E-9 -1.684322036564575E-12 6.838807474755953E-10 -2.888926325972165E-12
node 5.460671864626185E-15 -1.538860897702942E-14 -1.684322036564575E-12 2.886214414744723E-9 -2.877897040482247E-9 8.15088262975032E-11
peri 2.499568002651879E-13 -6.982237708997601E-13 6.838807474755953E-10 -2.877897040482247E-9 3.004855438632524E-9 -8.170429458484019E-11
i -1.07402013810673E-15 3.370603147732463E-15 -2.888926325972165E-12 8.15088262975032E-11 -8.170429458484019E-11 2.985820117311095E-11

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 14.1   n/a MPO468580  

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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