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452558 (2004 YL12)
Classification: Main-belt Asteroid          SPK-ID: 2452558
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371881128754937 1.2414e-07  
a 2.418510057106377 2.2579e-08 au
q 2.08671922640155 3.0623e-07 au
i 2.5102969532753 1.1778e-05 deg
node 85.9963244208259 0.00021196 deg
peri 16.33076201481165 0.00021489 deg
M 40.73088991433031 3.539e-05 deg
tp 2458845.067557530855
(2019-Dec-27.56755753)
0.00013407 TDB
period 1373.789755308177
3.76
1.9238e-05
5.267e-08
d
yr
n .2620488314234391 3.6697e-09 deg/d
Q 2.750300887811203 2.5677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      7004 days (19.18 yr)  
   first obs. used      2000-11-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:36:10  

Additional Information
 Earth MOID = 1.10375 au 
 Jupiter MOID = 2.37883 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456976.5 (2014-Nov-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361879087399342 1.2441e-07  
q 2.089647394171414 3.066e-07 au
tp 2457471.819204893768
(2016-Mar-24.31920489)
0.00012798 TDB
node 86.02876791037767 0.0002121 deg
peri 16.48132749277099 0.00021507 deg
i 2.5098855808444 1.1772e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      7004 days (19.18 yr)  
   first obs. used      2000-11-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:36:10  

Additional Information
 Jupiter MOID = 2.37883 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.547806815531331E-14 -3.807400572991005E-14 1.157686124018954E-12 -5.692093309724758E-14 1.028423378253504E-12 1.826297921945164E-15
q -3.807400572991005E-14 9.400517495417315E-14 -2.026053043836924E-12 1.377758568220876E-13 -2.342961015928283E-12 -4.038845130508908E-15
tp 1.157686124018954E-12 -2.026053043836924E-12 1.637846650114538E-8 -1.401035092209678E-11 4.558484397300212E-9 3.780953384860498E-12
node -5.692093309724758E-14 1.377758568220876E-13 -1.401035092209678E-11 4.498526872899336E-8 -4.494774516705244E-8 6.856588433753545E-10
peri 1.028423378253504E-12 -2.342961015928283E-12 4.558484397300212E-9 -4.494774516705244E-8 4.625422612458624E-8 -6.839557034300816E-10
i 1.826297921945164E-15 -4.038845130508908E-15 3.780953384860498E-12 6.856588433753545E-10 -6.839557034300816E-10 1.385730768712084E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO357356  

452558 (2004 YL12)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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