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 ]  
249629 (1999 TO69)
Classification: Main-belt Asteroid          SPK-ID: 2249629
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064100005062718 5.1033e-08  
a 3.169501776217341 3.0799e-08 au
q 2.515284912983691 1.6579e-07 au
i .9570484712093248 7.1994e-06 deg
node 333.5394467355154 0.00035844 deg
peri 85.38672278193357 0.00035898 deg
M 224.0306673865124 1.9003e-05 deg
tp 2459778.936858318589
(2022-Jul-18.43685832)
0.00011581 TDB
period 2061.032907996296
5.64
3.0041e-05
8.225e-08
d
yr
n .1746697001310796 2.5459e-09 deg/d
Q 3.823718639450992 3.7156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:35  

Additional Information
 Earth MOID = 1.52795 au 
 Jupiter MOID = 1.53417 au 
 T_jup = 3.169 
[ 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 16.4   n/a MPO440260  
diameter diameter 3.922 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249629 (1999 TO69)          Discovered 1999-Oct-09 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 TO69 = 2005 WV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-29 18:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin