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308065 (2004 TD158)
Classification: Main-belt Asteroid          SPK-ID: 2308065
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286568761653514 4.1069e-08  
a 2.248084880359419 1.5139e-08 au
q 1.958853302297818 9.4946e-08 au
i 2.855352276817441 3.8779e-06 deg
node 260.2111748227851 0.00011322 deg
peri 24.57272059154299 0.0001152 deg
M 325.4002276617019 2.0048e-05 deg
tp 2459118.828190824630
(2020-Sep-26.32819082)
6.8331e-05 TDB
period 1231.168467825889
3.37
1.2436e-05
3.405e-08
d
yr
n .2924051495858412 2.9536e-09 deg/d
Q 2.53731645842102 1.7086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      21731 days (59.50 yr)  
   first obs. used      1960-10-25  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:10:28  

Additional Information
 Earth MOID = .942844 au 
 Jupiter MOID = 2.58736 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457032.5 (2015-Jan-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290674907359499 4.1126e-08  
q 1.957635980524979 9.5044e-08 au
tp 2456655.712419127687
(2013-Dec-29.21241913)
7.6535e-05 TDB
node 260.3059927704309 0.00011321 deg
peri 24.29973677493411 0.00011518 deg
i 2.855543382061432 3.8795e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      21731 days (59.50 yr)  
   first obs. used      1960-10-25  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:10:28  

Additional Information
 Jupiter MOID = 2.58736 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.691366538930868E-15 -3.871393540787512E-15 1.311900471159587E-12 2.156361142664871E-14 3.486579302869643E-13 -1.046651511081031E-15
q -3.871393540787512E-15 9.033410184247631E-15 -3.441195538135159E-12 -5.049525935698095E-14 -9.085233330046405E-13 2.610915641159155E-15
tp 1.311900471159587E-12 -3.441195538135159E-12 5.857603915126891E-9 3.264294564511262E-11 1.658121796378667E-9 -1.468899430370629E-12
node 2.156361142664871E-14 -5.049525935698095E-14 3.264294564511262E-11 1.281705353186086E-8 -1.279142653447387E-8 7.901342184537812E-11
peri 3.486579302869643E-13 -9.085233330046405E-13 1.658121796378667E-9 -1.279142653447387E-8 1.32660181567406E-8 -7.932356932808947E-11
i -1.046651511081031E-15 2.610915641159155E-15 -1.468899430370629E-12 7.901342184537812E-11 -7.932356932808947E-11 1.505049895818025E-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 17.1   n/a MPO427640  

308065 (2004 TD158)          Discovered 2004-Oct-06 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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