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55636 (2002 TX300)
Classification: TransNeptunian Object          SPK-ID: 2055636
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262573766232215 4.8117e-06  
a 43.34720330317995 0.00041963 au
q 37.87429913016701 0.00020715 au
i 25.82901535047696 1.1943e-05 deg
node 324.3893497002135 7.3321e-05 deg
peri 341.1548847885813 0.0028233 deg
M 77.60918227780212 0.0032522 deg
tp 2436728.037846896637
(1959-Jun-08.53784690)
0.61583 TDB
period 104241.3556962724
285.40
1.5137
0.004144
d
yr
n .003453523772742658 5.0149e-08 deg/d
Q 48.8201074761929 0.00047262 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      24264 days (66.43 yr)  
   first obs. used      1954-08-27  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .34444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:11:18  

Additional Information
 Earth MOID = 36.8676 au 
 Jupiter MOID = 32.8262 au 
 T_jup = 5.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458284.5 (2018-Jun-15.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243653205854714 4.5578e-06  
q 37.72340425421076 0.00021593 au
tp 2436132.718129275167
(1957-Oct-21.21812928)
0.63504 TDB
node 324.5488134602437 7.3398e-05 deg
peri 338.4068493358429 0.0029355 deg
i 25.85252517855688 1.2046e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      24264 days (66.43 yr)  
   first obs. used      1954-08-27  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .34444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:11:18  

Additional Information
 Jupiter MOID = 32.8262 au 
 T_jup = 5.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077323238749882E-11 5.328029529305988E-10 2.497365916339397E-6 1.235538961568328E-11 1.089405441857053E-8 5.816231641403382E-12
q 5.328029529305988E-10 4.66239464371201E-8 .0001219143663449212 1.903386158055621E-10 5.875650574854811E-7 2.117949741304111E-10
tp 2.497365916339397E-6 .0001219143663449212 .4032728089938729 1.265264757929221E-6 .001855840334429803 8.049475971565696E-7
node 1.235538961568328E-11 1.903386158055621E-10 1.265264757929221E-6 5.38727017253626E-9 4.625358184196092E-10 8.57811089310315E-10
peri 1.089405441857053E-8 5.875650574854811E-7 .001855840334429803 4.625358184196092E-10 8.61693765866563E-6 2.851641823644462E-9
i 5.816231641403382E-12 2.117949741304111E-10 8.049475971565696E-7 8.57811089310315E-10 2.851641823644462E-9 1.451104382989462E-10

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.57   n/a MPCxxxxx  
rotation period rot_per 8.12 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Sheppard, S.S.; Jewitt, D.C. (2003) Earth, Moon, and Planets 92, 207-219.]
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]
[Thirouin, A.; Ortiz, J.L.; Campo Bagatin, A.; Pravec, P.; et al. (2012) Mon. Not. Royal Ast. Soc. 424, 3156-3177.]

55636 (2002 TX300)          Discovered 2002-Oct-15 by Palomar Mountain/N at Palomar Mountain/
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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