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212312 (2005 QY26)
Classification: Main-belt Asteroid          SPK-ID: 2212312
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 .2038150773569954 6.2518e-08  
a 3.096005806440234 3.0834e-08 au
q 2.464993143502911 2.0868e-07 au
i 16.60097737628201 4.3998e-06 deg
node 162.0552815508705 1.9412e-05 deg
peri 100.0065987200473 2.3093e-05 deg
M 327.2262785281576 1.1729e-05 deg
tp 2459181.644158853548
(2020-Nov-28.14415885)
6.5988e-05 TDB
period 1989.761743819788
5.45
2.9725e-05
8.138e-08
d
yr
n .180926184312349 2.7029e-09 deg/d
Q 3.727018469377557 3.7119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-03-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:44:20  

Additional Information
 Earth MOID = 1.51617 au 
 Jupiter MOID = 1.75092 au 
 T_jup = 3.128 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457490.5 (2016-Apr-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029199884154763 6.2484e-08  
q 2.469776934094004 2.0863e-07 au
tp 2457188.898787244195
(2015-Jun-15.39878724)
5.9473e-05 TDB
node 162.0860035382391 1.941e-05 deg
peri 99.76907341969496 2.3129e-05 deg
i 16.59676489786003 4.3989e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-03-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:44:20  

Additional Information
 Jupiter MOID = 1.75092 au 
 T_jup = 3.128 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.904205986958636E-15 -1.297477713716439E-14 1.996837182510845E-14 -5.159467946335529E-15 1.047637585779944E-13 -2.966698171872572E-14
q -1.297477713716439E-14 4.352600289256157E-14 -7.158623866718368E-14 1.624427229424297E-14 -3.313956531566114E-13 1.036390037573618E-13
tp 1.996837182510845E-14 -7.158623866718368E-14 3.537061887046245E-9 -1.077156987549902E-11 7.852842218996803E-10 2.458906079215298E-12
node -5.159467946335529E-15 1.624427229424297E-14 -1.077156987549902E-11 3.767477097249043E-10 -3.631845002153175E-10 6.296730320840671E-12
peri 1.047637585779944E-13 -3.313956531566114E-13 7.852842218996803E-10 -3.631845002153175E-10 5.349676933884128E-10 -5.828342944737461E-12
i -2.966698171872572E-14 1.036390037573618E-13 2.458906079215298E-12 6.296730320840671E-12 -5.828342944737461E-12 1.935030741955818E-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 15.1   n/a MPO433387  
diameter diameter 3.605 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212312 (2005 QY26)          Discovered 2005-Aug-27 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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