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2551 Decabrina (1976 YX1)
Classification: Main-belt Asteroid          SPK-ID: 2002551
[ 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698324239742781 3.5212e-08  
a 3.152275014457719 1.8235e-08 au
q 2.616916507718812 1.113e-07 au
i .6108322367295453 4.949e-06 deg
node 8.853620273184212 0.00034893 deg
peri 35.90548152119554 0.00034914 deg
M 311.9423805375758 1.5512e-05 deg
tp 2459273.394215343934
(2021-Feb-27.89421534)		 8.8861e-05 TDB
period 2044.252682982573
5.60		 1.7738e-05
4.856e-08		 d
yr
n .1761034743878915 1.528e-09 deg/d
Q 3.687633521196625 2.1332e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1872  
   data-arc span      25223 days (69.06 yr)  
   first obs. used      1950-04-17  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 21:35:28  

Additional Information
 Earth MOID = 1.62619 au 
 Jupiter MOID = 1.71454 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456115.5 (2012-Jul-07.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725702391975354 3.6847e-08  
q 2.609393440773465 1.1767e-07 au
tp 2455158.553553304941
(2009-Nov-23.05355331)		 7.6511e-05 TDB
node 10.3219895771106 0.00033711 deg
peri 31.27347109911055 0.00033737 deg
i .6303535119465223 4.9743e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1872  
   data-arc span      25223 days (69.06 yr)  
   first obs. used      1950-04-17  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 21:35:28  

Additional Information
 Jupiter MOID = 1.71454 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.357675106587504E-15 -4.301842594426611E-15 -9.317272008716112E-13 -5.984557374101481E-15 -1.692021230926129E-13 6.248203406735618E-17
q -4.301842594426611E-15 1.384702415850109E-14 3.066313179240978E-12 2.798526273385835E-14 5.644475371352255E-13 -3.441056562611595E-16
tp -9.317272008716112E-13 3.066313179240978E-12 5.853942177197446E-9 -8.179175763493975E-13 1.032662813878671E-9 8.830089077120132E-14
node -5.984557374101481E-15 2.798526273385835E-14 -8.179175763493975E-13 1.136406273002654E-7 -1.136324445244694E-7 -3.236700158744509E-10
peri -1.692021230926129E-13 5.644475371352255E-13 1.032662813878671E-9 -1.136324445244694E-7 1.1381617844399E-7 3.236431724063894E-10
i 6.248203406735618E-17 -3.441056562611595E-16 8.830089077120132E-14 -3.236700158744509E-10 3.236431724063894E-10 2.474350054079036E-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 12.5   n/a MPO448938  
diameter diameter 15.739 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2551 Decabrina (1976 YX1)          Discovered 1976-Dec-16 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1976 YX1 = 1955 BV 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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