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154043 (2002 CD91)
Classification: Main-belt Asteroid          SPK-ID: 2154043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326458043145506 6.3018e-08  
a 2.879966827056285 2.1355e-08 au
q 2.49795131088218 1.7854e-07 au
i 2.388691587185776 4.8865e-06 deg
node 69.94572716925505 0.00017336 deg
peri 77.0111129157855 0.00017558 deg
M 267.6479176476266 2.8011e-05 deg
tp 2459458.456098177261
(2021-Aug-31.95609818)
0.00014181 TDB
period 1785.170308502276
4.89
1.9856e-05
5.436e-08
d
yr
n .2016614315650551 2.243e-09 deg/d
Q 3.26198234323039 2.4188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      6942 days (19.01 yr)  
   first obs. used      2000-10-19  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58054  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:52:41  

Additional Information
 Earth MOID = 1.51108 au 
 Jupiter MOID = 1.7438 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456897.5 (2014-Aug-28.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131220886236722 6.4016e-08  
q 2.50327486160535 1.8151e-07 au
tp 2457676.050269367459
(2016-Oct-14.55026937)
0.00013154 TDB
node 69.96945300683997 0.00017345 deg
peri 77.55537837071276 0.00017567 deg
i 2.388343095419952 4.8841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      6942 days (19.01 yr)  
   first obs. used      2000-10-19  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58054  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:52:41  

Additional Information
 Jupiter MOID = 1.7438 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.098052288501638E-15 -1.156117188408632E-14 5.315579027841968E-12 -4.465666801992379E-14 1.203713754297052E-12 -1.328964671112243E-15
q -1.156117188408632E-14 3.294659009548055E-14 -1.418953234897065E-11 1.126787164342634E-13 -3.252449338596756E-12 4.256463275173877E-15
tp 5.315579027841968E-12 -1.418953234897065E-11 1.730320304339048E-8 -1.155189853550186E-10 3.739235556947881E-9 -1.629845608022276E-12
node -4.465666801992379E-14 1.126787164342634E-13 -1.155189853550186E-10 3.008639850976714E-8 -3.008390170679967E-8 -3.421388594927232E-10
peri 1.203713754297052E-12 -3.252449338596756E-12 3.739235556947881E-9 -3.008390170679967E-8 3.085950929764726E-8 3.414652965802155E-10
i -1.328964671112243E-15 4.256463275173877E-15 -1.629845608022276E-12 -3.421388594927232E-10 3.414652965802155E-10 2.385488214954031E-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 16.1   n/a MPO493874  

154043 (2002 CD91)          Discovered 2002-Feb-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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