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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03201044587512996 5.171e-08  
a 2.734019509585098 1.7915e-08 au
q 2.646502326051975 1.4614e-07 au
i 5.004328190675829 4.2946e-06 deg
node 253.93422177425 6.281e-05 deg
peri 107.4445402077457 9.2587e-05 deg
M 159.7447215919385 6.888e-05 deg
tp 2458467.802251772914
(2018-Dec-15.30225177)
0.00031517 TDB
period 1651.204413724191
4.52
1.623e-05
4.444e-08
d
yr
n .2180226730305558 2.143e-09 deg/d
Q 2.821536693118222 1.8489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      8431 days (23.08 yr)  
   first obs. used      1998-02-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:30  

Additional Information
 Earth MOID = 1.64678 au 
 Jupiter MOID = 2.3261 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456963.5 (2014-Nov-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0315508896383354 5.2078e-08  
q 2.646969757595644 1.4708e-07 au
tp 2456797.177494274169
(2014-May-19.67749427)
0.00031567 TDB
node 254.1138852734954 6.2897e-05 deg
peri 103.1165848737971 9.2859e-05 deg
i 5.000572288717936 4.2922e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      8431 days (23.08 yr)  
   first obs. used      1998-02-05  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:30  

Additional Information
 Jupiter MOID = 2.3261 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.712090977894224E-15 -7.609163325465703E-15 -1.12264123262842E-12 -9.327178017537637E-15 -2.893364556822263E-13 6.9485981171109E-16
q -7.609163325465703E-15 2.163191858477632E-14 3.306661217394151E-12 2.532106779998073E-14 8.49963153877123E-13 -1.473283164262831E-15
tp -1.12264123262842E-12 3.306661217394151E-12 9.96476056151574E-8 9.755259277075803E-11 2.160617907805572E-8 -2.973807301807478E-12
node -9.327178017537637E-15 2.532106779998073E-14 9.755259277075803E-11 3.956008200524296E-9 -3.919333499399883E-9 -8.734296632639916E-12
peri -2.893364556822263E-13 8.49963153877123E-13 2.160617907805572E-8 -3.919333499399883E-9 8.622821732617968E-9 8.043453578206123E-12
i 6.9485981171109E-16 -1.473283164262831E-15 -2.973807301807478E-12 -8.734296632639916E-12 8.043453578206123E-12 1.842275395722074E-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 15.48   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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