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487414 (2014 QA378)
Classification: Main-belt Asteroid          SPK-ID: 2487414
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07956689874991464 3.2766e-07  
a 3.021155566766183 1.0344e-07 au
q 2.780771587677557 1.0656e-06 au
i 15.63759513778239 2.3688e-05 deg
node 348.8959344528178 2.3111e-05 deg
peri 336.7795588867342 0.00015078 deg
M 60.48248265663501 0.00013109 deg
tp 2458678.255755875244
(2019-Jul-13.75575588)
0.00071193 TDB
period 1918.041766630193
5.25
9.8507e-05
2.697e-07
d
yr
n .1876914289684546 9.6395e-09 deg/d
Q 3.261539545854809 1.1167e-07 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      3677 days (10.07 yr)  
   first obs. used      2009-09-30  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:54  

Additional Information
 Earth MOID = 1.77673 au 
 Jupiter MOID = 2.14735 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457743.5 (2016-Dec-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08207546652538922 3.2845e-07  
q 2.772762754377201 1.0707e-06 au
tp 2458674.607847756596
(2019-Jul-10.10784776)
0.00069836 TDB
node 349.0354151657679 2.3063e-05 deg
peri 336.222036084414 0.00014847 deg
i 15.66701736955219 2.3706e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      3677 days (10.07 yr)  
   first obs. used      2009-09-30  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:54  

Additional Information
 Jupiter MOID = 2.14735 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.078799753065838E-13 -3.511332210869361E-13 2.068512065012258E-10 -1.881225189754841E-13 4.308134600656714E-11 -1.269332378788639E-12
q -3.511332210869361E-13 1.146405666064251E-12 -6.809478900404201E-10 5.985822077907984E-13 -1.42156185587446E-10 4.163763590708916E-12
tp 2.068512065012258E-10 -6.809478900404201E-10 4.877046165086882E-7 -3.307529749407891E-10 1.023708947287482E-7 -2.495779661717536E-9
node -1.881225189754841E-13 5.985822077907984E-13 -3.307529749407891E-10 5.318983644118986E-10 -5.771252535621115E-10 -1.074767583356736E-10
peri 4.308134600656714E-11 -1.42156185587446E-10 1.023708947287482E-7 -5.771252535621115E-10 2.204259196493831E-8 -4.191561663926836E-10
i -1.269332378788639E-12 4.163763590708916E-12 -2.495779661717536E-9 -1.074767583356736E-10 -4.191561663926836E-10 5.619851551794848E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO495388  

487414 (2014 QA378)          Discovered 2012-Feb-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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