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 ]  
15187 (2112 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015187
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513899333346384 3.5871e-08  
a 3.235852219291272 1.8296e-08 au
q 2.745976767532024 1.1982e-07 au
i .1624237623797972 3.4443e-06 deg
node 78.65149664422667 0.0014534 deg
peri 273.2696220419222 0.0014535 deg
M 31.45516745735067 1.1595e-05 deg
tp 2458814.731982420564
(2019-Nov-27.23198242)
6.8777e-05 TDB
period 2126.089025571816
5.82
1.8032e-05
4.937e-08
d
yr
n .1693249885917535 1.4361e-09 deg/d
Q 3.725727671050519 2.1066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1493  
   data-arc span      16915 days (46.31 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:12:46  

Additional Information
 Earth MOID = 1.74044 au 
 Jupiter MOID = 1.70755 au 
 T_jup = 3.167 
[ show covariance matrix ]

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 13.9   n/a MPO502285  
diameter diameter 7.783 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15187 (2112 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2112 T-2 = 1996 RP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 08:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin