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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07276647067495147 7.0397e-08  
a 2.876711118666574 3.0885e-08 au
q 2.667383003409816 1.9928e-07 au
i 7.151367755871807 6.3736e-06 deg
node 111.8964145323204 5.1201e-05 deg
peri 304.7685146022959 6.2258e-05 deg
M 187.9563257519154 3.8262e-05 deg
tp 2459452.185028475560
(2021-Aug-25.68502848)
0.00019665 TDB
period 1782.144049127195
4.88
2.87e-05
7.858e-08
d
yr
n .2020038729059584 3.2531e-09 deg/d
Q 3.086039233923332 3.3132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6519 days (17.85 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:03:59  

Additional Information
 Earth MOID = 1.6874 au 
 Jupiter MOID = 2.16095 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457453.5 (2016-Mar-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07449781824578912 7.0547e-08  
q 2.659741308151349 2.0057e-07 au
tp 2457668.416195252786
(2016-Oct-06.91619525)
0.00017814 TDB
node 111.9627128974288 5.1269e-05 deg
peri 304.0867169339334 6.1853e-05 deg
i 7.148770697199984 6.3687e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6519 days (17.85 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6188  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:03:59  

Additional Information
 Jupiter MOID = 2.16095 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.976935022142577E-15 -1.400908497450674E-14 2.388946657043267E-12 8.677514424853593E-15 5.136710577855915E-13 7.940812806206371E-17
q -1.400908497450674E-14 4.022764566985829E-14 -4.669733084224568E-12 -2.461337229559538E-14 -1.070450481279843E-12 9.126803969383594E-16
tp 2.388946657043267E-12 -4.669733084224568E-12 3.173313967863711E-8 -1.895767944068618E-11 6.225855804172229E-9 3.440567216312753E-12
node 8.677514424853593E-15 -2.461337229559538E-14 -1.895767944068618E-11 2.628521215694856E-9 -2.61131544237093E-9 -1.58855848463584E-10
peri 5.136710577855915E-13 -1.070450481279843E-12 6.225855804172229E-9 -2.61131544237093E-9 3.825755576726797E-9 1.583042604233361E-10
i 7.940812806206371E-17 9.126803969383594E-16 3.440567216312753E-12 -1.58855848463584E-10 1.583042604233361E-10 4.056022370304092E-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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