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 ]  
91611 (1999 TN27)
Classification: Main-belt Asteroid          SPK-ID: 2091611
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417527639563458 3.7201e-08  
a 3.161415735278646 1.9923e-08 au
q 2.713276316787815 1.1571e-07 au
i 4.459796593240535 4.4215e-06 deg
node 223.8180716820989 5.2317e-05 deg
peri 234.5519451366433 5.4579e-05 deg
M 200.9185843439422 1.7589e-05 deg
tp 2459907.772587141052
(2022-Nov-24.27258714)
0.00010348 TDB
period 2053.150772035772
5.62
1.9408e-05
5.314e-08
d
yr
n .1753402647790193 1.6575e-09 deg/d
Q 3.609555153769477 2.2747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:18  

Additional Information
 Earth MOID = 1.73318 au 
 Jupiter MOID = 1.59263 au 
 T_jup = 3.184 
[ 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 14.2   n/a MPO436412  
diameter diameter 7.815 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91611 (1999 TN27)          Discovered 1999-Oct-03 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 2020-Sep-23 03:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin