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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698324870314999 3.456e-08  
a 3.152275014534032 1.7702e-08 au
q 2.61691630900846 1.0926e-07 au
i .6108340702155683 4.8535e-06 deg
node 8.853835987921828 0.00034573 deg
peri 35.90528089427485 0.00034594 deg
M 311.942368104394 1.5368e-05 deg
tp 2459273.394285955414
(2021-Feb-27.89428596)
8.8017e-05 TDB
period 2044.252683056807
5.60
1.722e-05
4.715e-08
d
yr
n .1761034743814965 1.4834e-09 deg/d
Q 3.687633720059604 2.0708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1954  
   data-arc span      25616 days (70.13 yr)  
   first obs. used      1950-04-17  
   last obs. used      2020-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:46:29  

Additional Information
 Earth MOID = 1.62619 au 
 Jupiter MOID = 1.71454 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456121.5 (2012-Jul-13.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725695284049326 3.6127e-08  
q 2.609399395273798 1.1538e-07 au
tp 2455158.563708182440
(2009-Nov-23.06370818)
7.5821e-05 TDB
node 10.32160394723939 0.00033401 deg
peri 31.2754198004084 0.00033426 deg
i .6303403242821162 4.8781e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1954  
   data-arc span      25616 days (70.13 yr)  
   first obs. used      1950-04-17  
   last obs. used      2020-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:46:29  

Additional Information
 Jupiter MOID = 1.71454 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.305142715075562E-15 -4.13617738323454E-15 -9.060820692074446E-13 -7.241172763485099E-15 -1.596135400823811E-13 8.05265501892802E-17
q -4.13617738323454E-15 1.331260686609545E-14 2.99131563502899E-12 3.114309608065533E-14 5.348464425678841E-13 -3.912674494433131E-16
tp -9.060820692074446E-13 2.99131563502899E-12 5.748761291071031E-9 -6.60939611969784E-13 1.012594554038307E-9 1.071859500802512E-13
node -7.241172763485099E-15 3.114309608065533E-14 -6.60939611969784E-13 1.11559589578063E-7 -1.115515023869418E-7 -3.129360063471151E-10
peri -1.596135400823811E-13 5.348464425678841E-13 1.012594554038307E-9 -1.115515023869418E-7 1.117312021980652E-7 3.129131392429364E-10
i 8.05265501892802E-17 -3.912674494433131E-16 1.071859500802512E-13 -3.129360063471151E-10 3.129131392429364E-10 2.379626303440125E-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

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