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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07952703385562611 1.8564e-07  
a 3.02258153792324 6.7679e-08 au
q 2.782204593625428 5.8974e-07 au
i 15.63713264058797 1.9502e-05 deg
node 348.8859362620366 2.29e-05 deg
peri 337.128925876277 8.7368e-05 deg
M 134.4346101753009 7.3917e-05 deg
tp 2458679.739512340717
(2019-Jul-15.23951234)
0.00040646 TDB
period 1919.399886836206
5.26
6.4467e-05
1.765e-07
d
yr
n .1875586231243333 6.2995e-09 deg/d
Q 3.262958482221053 7.3062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4098 days (11.22 yr)  
   first obs. used      2009-09-30  
   last obs. used      2020-12-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:16  

Additional Information
 Earth MOID = 1.77727 au 
 Jupiter MOID = 2.14626 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457788.5 (2017-Feb-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08192108967601816 1.8559e-07  
q 2.773634721766709 5.9098e-07 au
tp 2458674.685871913521
(2019-Jul-10.18587191)
0.00040035 TDB
node 349.0364929351572 2.2854e-05 deg
peri 336.199238125763 8.6308e-05 deg
i 15.66597518271432 1.9521e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4098 days (11.22 yr)  
   first obs. used      2009-09-30  
   last obs. used      2020-12-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:16  

Additional Information
 Jupiter MOID = 2.14626 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.444371752258605E-14 -1.091845666383609E-13 5.171757966220902E-11 -9.537721578887475E-14 1.035699721522847E-11 -2.914497114809613E-13
q -1.091845666383609E-13 3.492561308698125E-13 -1.697763898080916E-10 2.915492579832073E-13 -3.43256914983297E-11 9.508935778495839E-13
tp 5.171757966220902E-11 -1.697763898080916E-10 1.602795061437641E-7 -1.105365878690893E-10 3.326726723373753E-8 -5.283012289580174E-10
node -9.537721578887475E-14 2.915492579832073E-13 -1.105365878690893E-10 5.222901486699265E-10 -5.214398983431226E-10 -6.877228235724585E-11
peri 1.035699721522847E-11 -3.43256914983297E-11 3.326726723373753E-8 -5.214398983431226E-10 7.449133900833213E-9 -4.33691139402227E-11
i -2.914497114809613E-13 9.508935778495839E-13 -5.283012289580174E-10 -6.877228235724585E-11 -4.33691139402227E-11 3.810617632037817E-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 16.94   n/a MPCxxxxx  

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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