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100729 (1998 CX)
Classification: Main-belt Asteroid          SPK-ID: 2100729
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03201044894660113 5.172e-08  
a 2.734019499463501 1.8377e-08 au
q 2.646502307856912 1.4615e-07 au
i 5.004328799387475 4.3939e-06 deg
node 253.934223641491 6.2859e-05 deg
peri 107.4445405580287 9.3765e-05 deg
M 159.7447212170071 7.0083e-05 deg
tp 2458467.802257561378
(2018-Dec-15.30225756)
0.00032101 TDB
period 1651.20440455482
4.52
1.6648e-05
4.558e-08
d
yr
n .2180226742412665 2.1982e-09 deg/d
Q 2.821536691070089 1.8966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      8378 days (22.94 yr)  
   first obs. used      1998-02-05  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:02  

Additional Information
 Earth MOID = 1.64678 au 
 Jupiter MOID = 2.3261 au 
 T_jup = 3.347 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.48   n/a E2021B55  

100729 (1998 CX)          Discovered 1998-Feb-05 by Tichy, M., Moravec, Z. at Klet
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 CX = 2000 QL166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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