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214448 (2005 SX23)
Classification: Main-belt Asteroid          SPK-ID: 2214448
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07578440023701069 5.9506e-08  
a 3.10708192147054 3.6809e-08 au
q 2.871613581564636 2.0624e-07 au
i 11.28217088963233 4.6056e-06 deg
node 145.6767531929692 3.7664e-05 deg
peri 153.6669748526351 6.6234e-05 deg
M 335.1312805179521 5.29e-05 deg
tp 2459338.690569208026
(2021-May-04.19056921)		 0.00029361 TDB
period 2000.448995807836
5.48		 3.5548e-05
9.733e-08		 d
yr
n .1799595994471342 3.1979e-09 deg/d
Q 3.342550261376444 3.9598e-08 au
   Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6317 days (17.30 yr)  
   first obs. used      2003-03-09  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:46:47  

Additional Information
 Earth MOID = 1.85927 au 
 Jupiter MOID = 1.94291 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457793.5 (2017-Feb-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07432154244922026 5.9484e-08  
q 2.876751030610707 2.0636e-07 au
tp 2457340.216076565968
(2015-Nov-13.71607657)		 0.00030644 TDB
node 145.702800236157 3.7683e-05 deg
peri 153.9096808667321 6.7129e-05 deg
i 11.27810219538494 4.6045e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6317 days (17.30 yr)  
   first obs. used      2003-03-09  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:46:47  

Additional Information
 Jupiter MOID = 1.94291 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.53834914222807E-15 -1.215935388370353E-14 -6.19626719633155E-13 -7.746158756545629E-15 5.374772595080215E-14 -8.048269153244931E-15
q -1.215935388370353E-14 4.258380901108034E-14 -6.277298854799031E-13 3.403002246563714E-14 -6.603848457552087E-13 2.884500429223508E-14
tp -6.19626719633155E-13 -6.277298854799031E-13 9.390685982282522E-8 -1.515360698398114E-11 1.710988894896171E-8 5.907121357425109E-11
node -7.746158756545629E-15 3.403002246563714E-14 -1.515360698398114E-11 1.420026920824712E-9 -1.395247946516021E-9 4.249087030200131E-11
peri 5.374772595080215E-14 -6.603848457552087E-13 1.710988894896171E-8 -1.395247946516021E-9 4.506352269753756E-9 -3.113477286353228E-11
i -8.048269153244931E-15 2.884500429223508E-14 5.907121357425109E-11 4.249087030200131E-11 -3.113477286353228E-11 2.120143682894579E-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 15.12   n/a E2021B55  
diameter diameter 3.620 km 0.568 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214448 (2005 SX23)          Discovered 2005-Sep-23 by CSS at Catalina
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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