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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046538211753408 7.018e-08  
a 2.419232395660349 1.7171e-08 au
q 1.924127241577284 1.7704e-07 au
i 1.347440308515221 7.5943e-06 deg
node 307.6427308602159 0.00024374 deg
peri 50.88147264609353 0.00024505 deg
M 146.6728621833886 2.378e-05 deg
tp 2458440.533459931151
(2018-Nov-18.03345993)
8.7012e-05 TDB
period 1374.405267777045
3.76
1.4633e-05
4.006e-08
d
yr
n .2619314757009495 2.7886e-09 deg/d
Q 2.914337549743413 2.0685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6005 days (16.44 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:35:34  

Additional Information
 Earth MOID = .920721 au 
 Jupiter MOID = 2.53838 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052353857661946 7.1219e-08  
q 1.922236597241868 1.8e-07 au
tp 2457063.344657671072
(2015-Feb-09.84465767)
7.756e-05 TDB
node 307.9663215804073 0.00024308 deg
peri 50.02770015841725 0.00024438 deg
i 1.350733114956669 7.5985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6005 days (16.44 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:35:34  

Additional Information
 Jupiter MOID = 2.53838 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.072075391987289E-15 -1.279148435956406E-14 -3.063624970018386E-12 6.859197583507651E-14 -1.163985498650491E-12 -5.359723476139109E-16
q -1.279148435956406E-14 3.239917621126158E-14 7.971260060346856E-12 -1.789865771276512E-13 3.008374023264902E-12 1.624326138600172E-15
tp -3.063624970018386E-12 7.971260060346856E-12 6.015492228018422E-9 -1.04295109496733E-10 1.966943486599368E-9 -1.312169223898001E-12
node 6.859197583507651E-14 -1.789865771276512E-13 -1.04295109496733E-10 5.90882013472263E-8 -5.910333270476737E-8 -2.673056183892957E-10
peri -1.163985498650491E-12 3.008374023264902E-12 1.966943486599368E-9 -5.910333270476737E-8 5.972224847378594E-8 2.668510283566643E-10
i -5.359723476139109E-16 1.624326138600172E-15 -1.312169223898001E-12 -2.673056183892957E-10 2.668510283566643E-10 5.773692816861995E-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 17.7   n/a MPO456154  

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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