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 ]  
15290 (1991 TF1)
Classification: Main-belt Asteroid          SPK-ID: 2015290
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395343816024188 3.7754e-08  
a 3.17757945489991 2.4625e-08 au
q 2.7341978706679 1.2638e-07 au
i 17.69081538359057 4.8942e-06 deg
node 170.4653187637442 1.4291e-05 deg
peri 275.4620057733779 2.2928e-05 deg
M 337.7081140670845 1.8301e-05 deg
tp 2459128.611278842932
(2020-Oct-06.11127884)		 0.00010574 TDB
period 2068.916937860165
5.66		 2.405e-05
6.585e-08		 d
yr
n .1740040856218907 2.0227e-09 deg/d
Q 3.62096103913192 2.8061e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      10340 days (28.31 yr)  
   first obs. used      1991-10-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48534  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:15:18  

Additional Information
 Earth MOID = 1.82079 au 
 Jupiter MOID = 1.76777 au 
 T_jup = 3.112 
[ 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 13.1   n/a MPO381385  
diameter diameter 13.309 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.33958 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.069   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15290 (1991 TF1)          Discovered 1991-Oct-12 by McNaught, R. H. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TF1 = 1999 CU4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-31 05:20 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin