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487371 (2014 QG256)
Classification: Main-belt Asteroid          SPK-ID: 2487371
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06057346988543841 1.6414e-07  
a 3.173470586940385 1.193e-07 au
q 2.981242461910027 5.69e-07 au
i 12.04387633098809 1.1763e-05 deg
node 57.85945671071895 7.3224e-05 deg
peri 299.8941442374339 9.966e-05 deg
M 3.775202290208368 7.3555e-05 deg
tp 2458978.846013082096
(2020-May-09.34601308)
0.00042137 TDB
period 2064.905319289535
5.65
0.00011644
3.188e-07
d
yr
n .1743421340615578 9.8309e-09 deg/d
Q 3.365698711970743 1.2652e-07 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      3128 days (8.56 yr)  
   first obs. used      2009-09-22  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:10:01  

Additional Information
 Earth MOID = 2.00207 au 
 Jupiter MOID = 1.95229 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456923.5 (2014-Sep-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06539479156092261 1.6613e-07  
q 2.966615180644652 5.7881e-07 au
tp 2456897.290790226162
(2014-Aug-27.79079023)
0.00035286 TDB
node 57.94661163923155 7.3332e-05 deg
peri 297.4262817578665 9.6189e-05 deg
i 12.03923812932311 1.1806e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      3128 days (8.56 yr)  
   first obs. used      2009-09-22  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:10:01  

Additional Information
 Jupiter MOID = 1.95229 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.759986053239736E-14 -9.455741920682448E-14 1.283408483974201E-11 -7.427335749656405E-14 2.178036333009427E-12 -9.624179358002649E-14
q -9.455741920682448E-14 3.350169693746538E-13 -3.535661367217302E-11 3.103922125297485E-13 -5.913664523639789E-12 3.442050552415436E-13
tp 1.283408483974201E-11 -3.535661367217302E-11 1.245118369157093E-7 1.872470600477932E-10 2.250057695524672E-8 -7.169429413750356E-11
node -7.427335749656405E-14 3.103922125297485E-13 1.872470600477932E-10 5.377549142337845E-9 -5.223263277781047E-9 -6.060273992979843E-10
peri 2.178036333009427E-12 -5.913664523639789E-12 2.250057695524672E-8 -5.223263277781047E-9 9.252414047233792E-9 5.807713997463212E-10
i -9.624179358002649E-14 3.442050552415436E-13 -7.169429413750356E-11 -6.060273992979843E-10 5.807713997463212E-10 1.393803131293872E-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 16.2   n/a MPO446845  

487371 (2014 QG256)          Discovered 2009-Sep-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2014 QG256 = 2009 UM112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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