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 ]  
91649 (1999 TE99)
Classification: Main-belt Asteroid          SPK-ID: 2091649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148865986666162 5.092e-08  
a 3.108421389306234 2.4795e-08 au
q 2.751305428666283 1.6729e-07 au
i 8.042091925442316 4.7719e-06 deg
node 85.15376101682288 3.5244e-05 deg
peri 297.9857912742665 4.3218e-05 deg
M 347.333755593563 2.9858e-05 deg
tp 2459466.929340721350
(2021-Sep-09.42934072)
0.00016654 TDB
period 2001.742730212961
5.48
2.3951e-05
6.557e-08
d
yr
n .1798432908317346 2.1518e-09 deg/d
Q 3.465537349946185 2.7644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      7667 days (20.99 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:46:58  

Additional Information
 Earth MOID = 1.76632 au 
 Jupiter MOID = 2.00495 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 14.27   n/a E2021B10  
diameter diameter 5.488 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91649 (1999 TE99)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 02:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin