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214998 (2008 CT77)
Classification: Main-belt Asteroid          SPK-ID: 2214998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07218153459983087 5.8743e-08  
a 2.874526462988487 2.702e-08 au
q 2.667038731642154 1.738e-07 au
i 7.160064140217079 5.5888e-06 deg
node 111.8655094238309 4.2761e-05 deg
peri 306.1991023398922 5.4591e-05 deg
M 267.2052886403684 3.611e-05 deg
tp 2459459.347762226556
(2021-Sep-01.84776223)
0.00018116 TDB
period 1780.11431881473
4.87
2.5099e-05
6.872e-08
d
yr
n .2022342027110383 2.8515e-09 deg/d
Q 3.08201419433482 2.8971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6863 days (18.79 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:10:53  

Additional Information
 Earth MOID = 1.68743 au 
 Jupiter MOID = 2.15741 au 
 T_jup = 3.281 
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Orbital Elements at Epoch 2457680.5 (2016-Oct-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07434231835699787 5.9156e-08  
q 2.659794041689803 1.7582e-07 au
tp 2457668.347960833160
(2016-Oct-06.84796083)
0.00016537 TDB
node 111.957259902617 4.2912e-05 deg
peri 304.0739336938847 5.3902e-05 deg
i 7.148887009379552 5.583e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6863 days (18.79 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 15:10:53  

Additional Information
 Jupiter MOID = 2.15741 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.499374324026741E-15 -1.029947801818262E-14 -1.569665660030066E-13 6.484627113126386E-15 5.365546825321216E-14 -1.625651837897708E-16
q -1.029947801818262E-14 3.091283475744192E-14 1.718193370823628E-12 -1.791583507022942E-14 8.263075080453421E-14 1.393968762318286E-15
tp -1.569665660030066E-13 1.718193370823628E-12 2.734704313495134E-8 -1.368059359739069E-11 5.427250904785636E-9 2.14305758784683E-12
node 6.484627113126386E-15 -1.791583507022942E-14 -1.368059359739069E-11 1.841457242815952E-9 -1.829368052876487E-9 -7.314764480788365E-11
peri 5.365546825321216E-14 8.263075080453421E-14 5.427250904785636E-9 -1.829368052876487E-9 2.905472861308144E-9 7.302432553151185E-11
i -1.625651837897708E-16 1.393968762318286E-15 2.14305758784683E-12 -7.314764480788365E-11 7.302432553151185E-11 3.117000563710511E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO494185  

214998 (2008 CT77)          Discovered 2008-Feb-06 by CSS at Catalina
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2008 CT77 = 2006 UO70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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