Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697265093681894 3.5417e-08  
a 3.158550807380482 1.9328e-08 au
q 2.622461004181716 1.1153e-07 au
i .6105276046105583 4.9443e-06 deg
node 9.059602196358318 0.00034903 deg
peri 35.02608153497824 0.00034924 deg
M 242.297582204834 1.5242e-05 deg
tp 2459270.867746635050
(2021-Feb-25.36774663)		 8.8689e-05 TDB
period 2050.360504986409
5.61		 1.882e-05
5.153e-08		 d
yr
n .1755788794821652 1.6116e-09 deg/d
Q 3.694640610579248 2.2609e-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 = 1.63103 au 
 Jupiter MOID = 1.70862 au 
 T_jup = 3.183 
[ 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 = 1.70862 au 
 T_jup = 3.183 
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

[ show close-approach data ]
Alternate Designations
 1976 YX1 = 1955 BV 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 19:51 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin