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487354 (2014 QE218)
Classification: Main-belt Asteroid          SPK-ID: 2487354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0901622458990409 5.6694e-08  
a 3.040162565245179 5.4263e-08 au
q 2.766054680464484 1.5876e-07 au
i 10.63537507536872 1.2802e-05 deg
node 315.0468133983346 3.2096e-05 deg
peri 275.6097621281241 9.031e-05 deg
M 130.3181194070181 8.6267e-05 deg
tp 2458299.616330925265
(2018-Jun-30.11633093)
0.00046504 TDB
period 1936.170672313404
5.30
5.1837e-05
1.419e-07
d
yr
n .1859340218028711 4.978e-09 deg/d
Q 3.314270450025874 5.9155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7692 days (21.06 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:36  

Additional Information
 Earth MOID = 1.78182 au 
 Jupiter MOID = 1.85258 au 
 T_jup = 3.208 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457338.5 (2015-Nov-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08984443136010042 5.6473e-08  
q 2.768110990963878 1.5856e-07 au
tp 2458306.467576063921
(2018-Jul-06.96757606)
0.00046672 TDB
node 315.1832018942969 3.2099e-05 deg
peri 276.8731023411551 9.0642e-05 deg
i 10.63116724835652 1.2801e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7692 days (21.06 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:36  

Additional Information
 Jupiter MOID = 1.85258 au 
 T_jup = 3.208 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.189192827132177E-15 -8.573820450754541E-15 4.880076733725416E-13 2.566000128638684E-15 -1.207656632980199E-13 8.849274600794264E-15
q -8.573820450754541E-15 2.514158668603329E-14 -4.019846549266143E-12 -1.227487461137639E-14 -3.533034839888235E-13 -1.855191547798127E-14
tp 4.880076733725416E-13 -4.019846549266143E-12 2.178257696281198E-7 1.219816171320633E-10 3.950345610595267E-8 -5.210105730764283E-11
node 2.566000128638684E-15 -1.227487461137639E-14 1.219816171320633E-10 1.030331559474439E-9 -9.897379958607273E-10 1.185647808380421E-10
peri -1.207656632980199E-13 -3.533034839888235E-13 3.950345610595267E-8 -9.897379958607273E-10 8.216043179468414E-9 -1.270485354248284E-10
i 8.849274600794264E-15 -1.855191547798127E-14 -5.210105730764283E-11 1.185647808380421E-10 -1.270485354248284E-10 1.638542231977815E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO495388  

487354 (2014 QE218)          Discovered 2012-Jan-19 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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