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452439 (2003 QC68)
Classification: Main-belt Asteroid          SPK-ID: 2452439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050290127959982 5.7145e-08  
a 2.418488812728615 1.6964e-08 au
q 1.922628438996701 1.4565e-07 au
i 1.347381225095735 6.0693e-06 deg
node 307.6372563661565 0.0002423 deg
peri 50.90721255439168 0.00024304 deg
M 250.4040730865485 2.0846e-05 deg
tp 2459814.721605006873
(2022-Aug-23.22160501)
8.2749e-05 TDB
period 1373.771654136124
3.76
1.4454e-05
3.957e-08
d
yr
n .26205228424689 2.7572e-09 deg/d
Q 2.914349186460529 2.0443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6462 days (17.69 yr)  
   first obs. used      2003-08-25  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:05:47  

Additional Information
 Earth MOID = .918398 au 
 Jupiter MOID = 2.53964 au 
 T_jup = 3.486 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457638.5 (2016-Sep-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048109288406331 5.7626e-08  
q 1.924219530520773 1.4709e-07 au
tp 2457063.469960390346
(2015-Feb-09.96996039)
6.3846e-05 TDB
node 307.9548926498306 0.00024177 deg
peri 50.16725703914999 0.00024251 deg
i 1.349475152271917 6.0705e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6462 days (17.69 yr)  
   first obs. used      2003-08-25  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 08:05:47  

Additional Information
 Jupiter MOID = 2.53964 au 
 T_jup = 3.486 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.320754348403854E-15 -8.449338488266029E-15 -1.211111524991857E-12 3.094197088162677E-14 -4.598115520698412E-13 -3.603964604719028E-16
q -8.449338488266029E-15 2.163465223269232E-14 3.390735071703466E-12 -8.03959389838652E-14 1.261577426620738E-12 1.081232298883628E-15
tp -1.211111524991857E-12 3.390735071703466E-12 4.07628707255351E-9 -7.332716595823216E-11 1.236294414970865E-9 -1.220435005032702E-14
node 3.094197088162677E-14 -8.03959389838652E-14 -7.332716595823216E-11 5.84513452962333E-8 -5.845484863843899E-8 -1.434922737259732E-10
peri -4.598115520698412E-13 1.261577426620738E-12 1.236294414970865E-9 -5.845484863843899E-8 5.880998009566183E-8 1.434567914152802E-10
i -3.603964604719028E-16 1.081232298883628E-15 -1.220435005032702E-14 -1.434922737259732E-10 1.434567914152802E-10 3.685083825173822E-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 17.72   n/a E2021B25  

452439 (2003 QC68)          Discovered 2003-Aug-25 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

Alternate Designations
 2003 QC68 = 2007 TJ49 = 2007 TX298 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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