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136269 (2003 YQ87)
Classification: Main-belt Asteroid          SPK-ID: 2136269
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631470200331818 4.555e-08  
a 2.466566853309345 1.042e-08 au
q 2.064153821479303 1.1091e-07 au
i 5.816506585216453 4.8942e-06 deg
node 310.495993582234 4.4345e-05 deg
peri 91.53573540492459 4.7879e-05 deg
M 139.5132500631954 1.6509e-05 deg
tp 2458452.159001398426
(2018-Nov-29.65900140)
6.4933e-05 TDB
period 1414.939150275326
3.87
8.966e-06
2.455e-08
d
yr
n .2544279023800771 1.6122e-09 deg/d
Q 2.868979885139387 1.212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-12-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:54:08  

Additional Information
 Earth MOID = 1.08243 au 
 Jupiter MOID = 2.55527 au 
 T_jup = 3.461 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613839505988517 4.5349e-08  
q 2.069258676948147 1.1025e-07 au
tp 2457035.432547146941
(2015-Jan-12.93254715)
6.7329e-05 TDB
node 310.6090532506283 4.4244e-05 deg
peri 91.28317127832953 4.7903e-05 deg
i 5.821795593052456 4.8987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-12-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 15:54:08  

Additional Information
 Jupiter MOID = 2.55527 au 
 T_jup = 3.461 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.056490997826002E-15 -4.984628869812057E-15 -2.000334698647351E-12 -1.564208244522878E-14 -5.715416182697692E-13 -5.33420136463112E-15
q -4.984628869812057E-15 1.215499650944639E-14 4.825335361365015E-12 4.050212640630844E-14 1.373321655980054E-12 1.336212444487361E-14
tp -2.000334698647351E-12 4.825335361365015E-12 4.533188665163579E-9 2.177840054334352E-11 1.257142283927145E-9 7.266174271312697E-12
node -1.564208244522878E-14 4.050212640630844E-14 2.177840054334352E-11 1.957524639582424E-9 -1.941131488107631E-9 1.109607571101163E-10
peri -5.715416182697692E-13 1.373321655980054E-12 1.257142283927145E-9 -1.941131488107631E-9 2.294702453460926E-9 -1.083811456049912E-10
i -5.33420136463112E-15 1.336212444487361E-14 7.266174271312697E-12 1.109607571101163E-10 -1.083811456049912E-10 2.399723510865317E-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 15.3   n/a MPO333845  
diameter diameter 2.991 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136269 (2003 YQ87)          Discovered 2003-Dec-19 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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