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487388 (2014 QO304)
Classification: Main-belt Asteroid          SPK-ID: 2487388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04499769653456052 8.1038e-08  
a 3.132881965578628 6.7651e-08 au
q 2.991909493612923 2.7883e-07 au
i 10.25042716000739 7.9454e-06 deg
node 117.8373045127754 4.5439e-05 deg
peri 86.97715301394726 9.7939e-05 deg
M 83.34202385486209 8.8721e-05 deg
tp 2458131.604550864084
(2018-Jan-13.10455086)
0.00049694 TDB
period 2025.417117094429
5.55
6.5605e-05
1.796e-07
d
yr
n .1777411659858191 5.7572e-09 deg/d
Q 3.273854437544332 7.0695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2001-03-19  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58643  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:37:09  

Additional Information
 Earth MOID = 2.01146 au 
 Jupiter MOID = 1.78722 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457252.5 (2015-Aug-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04355682260451185 8.0253e-08  
q 2.99613828690865 2.7474e-07 au
tp 2458147.506933003450
(2018-Jan-29.00693300)
0.00052721 TDB
node 117.9976109243443 4.5516e-05 deg
peri 89.85135900091545 0.00010276 deg
i 10.24116844328203 7.9456e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      2001-03-19  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58643  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:37:09  

Additional Information
 Jupiter MOID = 1.78722 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.440555268503452E-15 -2.148991451811216E-14 -2.086137588404287E-11 2.662062391278786E-15 -3.436507717455137E-12 -2.208787646706457E-15
q -2.148991451811216E-14 7.548411811527474E-14 6.934808630559695E-11 -1.331622742970294E-14 1.112946803423364E-11 1.241732660785557E-14
tp -2.086137588404287E-11 6.934808630559695E-11 2.779538021007208E-7 -1.111188269243285E-10 4.859637986421582E-8 7.528954490216511E-12
node 2.662062391278786E-15 -1.331622742970294E-14 -1.111188269243285E-10 2.071669875915045E-9 -2.057991876954481E-9 1.570792485020702E-10
peri -3.436507717455137E-12 1.112946803423364E-11 4.859637986421582E-8 -2.057991876954481E-9 1.056047318315586E-8 -1.537928834060194E-10
i -2.208787646706457E-15 1.241732660785557E-14 7.528954490216511E-12 1.570792485020702E-10 -1.537928834060194E-10 6.313194885389226E-11

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 16.5   n/a MPO450509  

487388 (2014 QO304)          Discovered 2012-Mar-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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