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487809 (2015 SQ14)
Classification: Main-belt Asteroid          SPK-ID: 2487809
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 .1154067701852242 7.69e-08  
a 2.353993773353656 3.4333e-08 au
q 2.082326954934782 1.6436e-07 au
i 5.951826328193009 7.8824e-06 deg
node 338.613548562626 6.6253e-05 deg
peri 310.5704671682633 8.2648e-05 deg
M 165.8390084516701 5.8794e-05 deg
tp 2458392.798115419980
(2018-Oct-01.29811542)
0.00020552 TDB
period 1319.187086870236
3.61
2.8861e-05
7.902e-08
d
yr
n .2728953334845764 5.9703e-09 deg/d
Q 2.62566059177253 3.8295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      6133 days (16.79 yr)  
   first obs. used      2003-04-05  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62209  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:28:59  

Additional Information
 Earth MOID = 1.07203 au 
 Jupiter MOID = 2.54199 au 
 T_jup = 3.539 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457398.5 (2016-Jan-11.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159980752929748 7.6971e-08  
q 2.080541860034807 1.6459e-07 au
tp 2457074.676780987545
(2015-Feb-21.17678099)
0.00018492 TDB
node 338.6730983979465 6.6195e-05 deg
peri 310.6824831537749 8.2508e-05 deg
i 5.955097111465826 7.8875e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      6133 days (16.79 yr)  
   first obs. used      2003-04-05  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62209  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:28:59  

Additional Information
 Jupiter MOID = 2.54199 au 
 T_jup = 3.539 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.924571276150902E-15 -1.253302981174723E-14 7.656613164599003E-12 -4.809342614446154E-15 1.873664463367561E-12 6.387674669522191E-16
q -1.253302981174723E-14 2.708858345440402E-14 -1.437552299739029E-11 1.367274286492556E-14 -3.449242553288604E-12 -2.062326400055615E-15
tp 7.656613164599003E-12 -1.437552299739029E-11 3.419419686616518E-8 1.369608635249577E-11 9.141172527073852E-9 -1.82210975680872E-11
node -4.809342614446154E-15 1.367274286492556E-14 1.369608635249577E-11 4.381750761336189E-9 -4.352590396626951E-9 1.773902898259658E-10
peri 1.873664463367561E-12 -3.449242553288604E-12 9.141172527073852E-9 -4.352590396626951E-9 6.807587953959011E-9 -1.816526810647222E-10
i 6.387674669522191E-16 -2.062326400055615E-15 -1.82210975680872E-11 1.773902898259658E-10 -1.816526810647222E-10 6.221205081577899E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a E2015U64  

487809 (2015 SQ14)          Discovered 2010-Feb-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 SQ14 = 2010 CD176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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