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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03201044561661459 5.1688e-08  
a 2.734019508341829 1.7293e-08 au
q 2.64650232555529 1.4614e-07 au
i 5.004327815163807 4.1538e-06 deg
node 253.9342197872186 6.2522e-05 deg
peri 107.4445466137219 9.087e-05 deg
M 159.7447176823891 6.7273e-05 deg
tp 2458467.802270204543
(2018-Dec-15.30227020)
0.00030736 TDB
period 1651.204412597887
4.52
1.5666e-05
4.289e-08
d
yr
n .2180226731792714 2.0685e-09 deg/d
Q 2.821536691128368 1.7846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8447 days (23.13 yr)  
   first obs. used      1998-02-05  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:01  

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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