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 ]  
91620 (1999 TA39)
Classification: Main-belt Asteroid          SPK-ID: 2091620
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03197214021365078 4.9669e-08  
a 3.101840448127127 2.439e-08 au
q 3.002667970399233 1.4523e-07 au
i 10.68884853866147 4.0518e-06 deg
node 248.0754728923799 2.7082e-05 deg
peri 304.0566356568233 7.6685e-05 deg
M 103.4025234752303 7.2075e-05 deg
tp 2458427.365903434955
(2018-Nov-04.86590343)
0.00040044 TDB
period 1995.389162942831
5.46
2.3535e-05
6.444e-08
d
yr
n .1804159342376433 2.1279e-09 deg/d
Q 3.201012925855021 2.517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      7607 days (20.83 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:36  

Additional Information
 Earth MOID = 2.0113 au 
 Jupiter MOID = 1.84173 au 
 T_jup = 3.194 
[ 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 14.3   n/a MPO337941  
diameter diameter 5.243 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91620 (1999 TA39)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TA39 = 2000 YA82 
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-23 04:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin