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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07218155293570525 5.3682e-08  
a 2.874526470654112 2.5042e-08 au
q 2.667038686047506 1.6342e-07 au
i 7.160065070181393 4.8752e-06 deg
node 111.8655024716793 3.7492e-05 deg
peri 306.1991150584134 5.0196e-05 deg
M 267.2052811000428 3.4712e-05 deg
tp 2459459.347801347115
(2021-Sep-01.84780135)
0.00017364 TDB
period 1780.114325935392
4.87
2.3262e-05
6.369e-08
d
yr
n .2022342019020782 2.6427e-09 deg/d
Q 3.082014255260717 2.685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6936 days (18.99 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:44:40  

Additional Information
 Earth MOID = 1.68743 au 
 Jupiter MOID = 2.15741 au 
 T_jup = 3.281 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457896.5 (2017-May-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07415546488509769 5.418e-08  
q 2.6597541654671 1.6543e-07 au
tp 2457668.107083326845
(2016-Oct-06.60708333)
0.0001598 TDB
node 111.9553227815042 3.7624e-05 deg
peri 304.0217994016909 4.9408e-05 deg
i 7.149381953570924 4.8684e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6936 days (18.99 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:44:40  

Additional Information
 Jupiter MOID = 2.15741 au 
 T_jup = 3.281 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.935444896899117E-15 -8.88640141480317E-15 -1.190390765098163E-12 1.011306770109012E-14 -1.382725508127579E-13 -8.197276790488026E-16
q -8.88640141480317E-15 2.736847265480034E-14 4.296133617581491E-12 -3.094861210681671E-14 5.654242200549424E-13 3.628940462221832E-15
tp -1.190390765098163E-12 4.296133617581491E-12 2.553646404095039E-8 -4.90958335514872E-11 5.13589933393847E-9 6.805167520150136E-12
node 1.011306770109012E-14 -3.094861210681671E-14 -4.90958335514872E-11 1.415545175459463E-9 -1.413685925778093E-9 -1.706378040715461E-11
peri -1.382725508127579E-13 5.654242200549424E-13 5.13589933393847E-9 -1.413685925778093E-9 2.441143363184769E-9 1.829156796939917E-11
i -8.197276790488026E-16 3.628940462221832E-15 6.805167520150136E-12 -1.706378040715461E-11 1.829156796939917E-11 2.370108563314963E-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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