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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
66745 (1999 TO128)
Classification: Main-belt Asteroid          SPK-ID: 2066745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840000523981358 4.0708e-08  
a 2.695080014385737 1.4181e-08 au
q 2.199185150521593 1.0847e-07 au
i 14.29167317423053 4.9001e-06 deg
node 26.5216300919318 1.6237e-05 deg
peri 8.508054460529223 1.9864e-05 deg
M 334.4905146519581 1.3855e-05 deg
tp 2459511.013085901283
(2021-Oct-23.51308590)
6.2674e-05 TDB
period 1616.054199526454
4.42
1.2755e-05
3.492e-08
d
yr
n .2227648058496363 1.7582e-09 deg/d
Q 3.190974878249881 1.679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      11256 days (30.82 yr)  
   first obs. used      1990-10-14  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:21  

Additional Information
 Earth MOID = 1.20563 au 
 Jupiter MOID = 2.26582 au 
 T_jup = 3.302 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.14   n/a MPO636972  
diameter diameter 4.343 km 0.377 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66745 (1999 TO128)          Discovered 1999-Oct-05 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-19 00:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin