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 ]  
118422 (1999 TU71)
Classification: Outer Main-belt Asteroid          SPK-ID: 2118422
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549882321380699 3.9775e-08  
a 3.200740116224569 2.5341e-08 au
q 2.704663064077522 1.3573e-07 au
i 1.248219293494552 6.7929e-06 deg
node 36.83275062442522 0.00021956 deg
peri 257.9091378883797 0.00022087 deg
M 289.9756153952795 2.5642e-05 deg
tp 2459407.337377840474
(2021-Jul-11.83737784)
0.00015036 TDB
period 2091.577910314079
5.73
2.4839e-05
6.801e-08
d
yr
n .1721188573587206 2.0441e-09 deg/d
Q 3.696817168371615 2.9269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:20:27  

Additional Information
 Earth MOID = 1.689 au 
 Jupiter MOID = 1.50492 au 
 T_jup = 3.175 
[ 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 15.2   n/a MPO432687  
diameter diameter 4.076 km 0.747 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118422 (1999 TU71)          Discovered 1999-Oct-09 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 TU71 = 1999 UZ54 = 2003 HZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-19 23:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin