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 ]  
15658 (1265 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2015658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268401394683018 2.496e-08  
a 2.544964955386988 9.0022e-09 au
q 2.222161245503762 6.2515e-08 au
i 1.423641056088437 5.7707e-06 deg
node 205.5955998414296 0.00010685 deg
peri 287.0523651939336 0.00011069 deg
M 108.7970123162369 2.6201e-05 deg
tp 2458752.337406186683
(2019-Sep-25.83740619)
0.00010814 TDB
period 1482.931657202466
4.06
7.8683e-06
2.154e-08
d
yr
n .2427623675383233 1.2881e-09 deg/d
Q 2.867768665270214 1.0144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      17097 days (46.81 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54405  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:16  

Additional Information
 Earth MOID = 1.23694 au 
 Jupiter MOID = 2.16904 au 
 T_jup = 3.432 
[ 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 15.1   n/a MPO467863  
rotation period rot_per 277.442 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

15658 (1265 T-2)          Discovered 1973-Sep-29 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
 1265 T-2 = 1993 ST 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 04:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin