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
JPL Small-Body Database Browser
Search: [ help ]  
15655 (2209 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2015655
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866374584837777 4.5484e-08  
a 3.171348603365558 1.7326e-08 au
q 2.579456160067333 1.4537e-07 au
i 3.010626283911444 4.2531e-06 deg
node 75.64307710540241 8.9093e-05 deg
peri 303.0398549826899 8.9694e-05 deg
M 53.46531355058482 9.9148e-06 deg
tp 2458694.138618355942
(2019-Jul-29.63861836)
5.6539e-05 TDB
period 2062.834575682659
5.65
1.6905e-05
4.628e-08
d
yr
n .1745171446337932 1.4301e-09 deg/d
Q 3.763241046663785 2.056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1674  
   data-arc span      19000 days (52.02 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:32:14  

Additional Information
 Earth MOID = 1.58328 au 
 Jupiter MOID = 1.69995 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456608.5 (2013-Nov-12.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804928480993168 4.4415e-08  
q 2.601322802411038 1.4019e-07 au
tp 2456612.817386983185
(2013-Nov-16.31738698)
6.2841e-05 TDB
node 76.16687426125368 8.9112e-05 deg
peri 300.4271564446915 8.9843e-05 deg
i 3.008564333777498 4.2382e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1674  
   data-arc span      19000 days (52.02 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50489  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:32:14  

Additional Information
 Jupiter MOID = 1.69995 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.972657047767285E-15 -6.194922289386074E-15 -1.158790608635387E-13 -7.43110330343541E-15 -6.661813968077113E-14 -6.806957549000964E-16
q -6.194922289386074E-15 1.965344334868713E-14 2.446090313433335E-13 2.105607742503918E-14 1.906882644250867E-13 2.53819637523525E-15
tp -1.158790608635387E-13 2.446090313433335E-13 3.949000091226255E-9 2.050883769942345E-13 7.545590006558765E-10 -3.204994609230972E-13
node -7.43110330343541E-15 2.105607742503918E-14 2.050883769942345E-13 7.940992257844992E-9 -7.928917303854919E-9 -7.58092453353148E-11
peri -6.661813968077113E-14 1.906882644250867E-13 7.545590006558765E-10 -7.928917303854919E-9 8.071747146161911E-9 7.561723580414067E-11
i -6.806957549000964E-16 2.53819637523525E-15 -3.204994609230972E-13 -7.58092453353148E-11 7.561723580414067E-11 1.796200949699632E-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 13.5   n/a MPO502289  
diameter diameter 9.867 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15655 (2209 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2209 T-1 = 1968 UY2 = 1979 SY12 = 1985 VJ2 = 1987 BV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 14:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin