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 ]  
15666 (5021 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2015666
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664282330408704 3.1745e-08  
a 2.570411075941943 9.7454e-09 au
q 2.142622102384243 8.313e-08 au
i 9.408246147895625 4.5892e-06 deg
node 151.9112447957063 1.7343e-05 deg
peri 248.9221844428878 2.2793e-05 deg
M 154.6824216171564 1.4331e-05 deg
tp 2458553.743556031828
(2019-Mar-11.24355603)
5.8508e-05 TDB
period 1505.228049796174
4.12
8.5603e-06
2.344e-08
d
yr
n .2391664173735989 1.3602e-09 deg/d
Q 2.998200049499642 1.1367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1993  
   data-arc span      15861 days (43.43 yr)  
   first obs. used      1977-10-11  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:05:24  

Additional Information
 Earth MOID = 1.16968 au 
 Jupiter MOID = 2.48026 au 
 T_jup = 3.392 
[ 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 14.04   n/a E2021B10  
diameter diameter 4.873 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15666 (5021 T-3)          Discovered 1977-Oct-16 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
 5021 T-3 = 1987 DF2 = 2000 FJ40 
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 02:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin