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79956 (1999 CW105)
Classification: Main-belt Asteroid          SPK-ID: 2079956
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570177810451393 3.451e-08  
a 2.722084415928381 1.3645e-08 au
q 2.294668761121753 9.6657e-08 au
i 8.480582423647283 4.9607e-06 deg
node 299.6949953952569 2.6516e-05 deg
peri 129.4027218928785 3.2047e-05 deg
M 46.84060826368316 1.6345e-05 deg
tp 2459183.062445620808
(2020-Nov-29.56244562)
7.436e-05 TDB
period 1640.403966232937
4.49
1.2335e-05
3.377e-08
d
yr
n .2194581380016489 1.6502e-09 deg/d
Q 3.14950007073501 1.5788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1999-01-08  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:10:14  

Additional Information
 Earth MOID = 1.31992 au 
 Jupiter MOID = 2.14448 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457335.5 (2015-Nov-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554627341460328 3.3931e-08  
q 2.299605846969685 9.4664e-08 au
tp 2457536.312182439249
(2016-May-27.81218244)
7.6159e-05 TDB
node 299.9665222257898 2.6585e-05 deg
peri 128.0242595073527 3.2285e-05 deg
i 8.464829395337583 4.9559e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1999-01-08  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:10:14  

Additional Information
 Jupiter MOID = 2.14448 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.151303614771636E-15 -3.188816902356661E-15 5.639676022870782E-13 -2.980893440053157E-15 1.543934569270339E-13 -1.016140227483369E-15
q -3.188816902356661E-15 8.961190205254649E-15 -1.584591706918525E-12 9.887463740324463E-15 -4.385519507085023E-13 3.317972020575236E-15
tp 5.639676022870782E-13 -1.584591706918525E-12 5.800138272812539E-9 -2.747744307822482E-12 1.406919733027607E-9 5.824427734467479E-12
node -2.980893440053157E-15 9.887463740324463E-15 -2.747744307822482E-12 7.067513073325449E-10 -6.995694335341039E-10 2.418063130069836E-11
peri 1.543934569270339E-13 -4.385519507085023E-13 1.406919733027607E-9 -6.995694335341039E-10 1.042290934718509E-9 -2.267386146084251E-11
i -1.016140227483369E-15 3.317972020575236E-15 5.824427734467479E-12 2.418063130069836E-11 -2.267386146084251E-11 2.456069690727238E-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 14.99   n/a MPCxxxxx  

79956 (1999 CW105)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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