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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457061.5 (2015-Feb-08.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03149753417830177 5.2034e-08  
q 2.647024265995999 1.4705e-07 au
tp 2456797.186712625223
(2014-May-19.68671262)
0.00030729 TDB
node 254.1134127363312 6.2608e-05 deg
peri 103.1213246546581 9.121e-05 deg
i 5.000636382609692 4.1511e-06 deg
  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
 Jupiter MOID = 2.3261 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.707575346662183E-15 -7.604965481981282E-15 -9.555571899988274E-13 -6.80832549980436E-15 -2.538904230785815E-13 1.097933720429013E-15
q -7.604965481981282E-15 2.162289431018755E-14 3.17157903027154E-12 1.865978202683348E-14 8.25937553585051E-13 -2.653018104140437E-15
tp -9.555571899988274E-13 3.17157903027154E-12 9.442851257478444E-8 9.377067946242196E-11 2.042420451149674E-8 -2.222507921451398E-12
node -6.80832549980436E-15 1.865978202683348E-14 9.377067946242196E-11 3.919790128257964E-9 -3.884154692386807E-9 -1.529920740689496E-11
peri -2.538904230785815E-13 8.25937553585051E-13 2.042420451149674E-8 -3.884154692386807E-9 8.319293687537226E-9 1.474532586676115E-11
i 1.097933720429013E-15 -2.653018104140437E-15 -2.222507921451398E-12 -1.529920740689496E-11 1.474532586676115E-11 1.72319311510469E-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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