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 ]  
129322 (2005 TN45)
Classification: Mars-crossing Asteroid          SPK-ID: 2129322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2727316631678766 4.3135e-08  
a 2.283895220362011 1.0312e-08 au
q 1.661004678411515 9.9722e-08 au
i 11.36770183115905 8.4208e-06 deg
node 17.18680627217747 2.452e-05 deg
peri 268.9678615225072 2.8015e-05 deg
M 155.224815872289 1.5274e-05 deg
tp 2458456.910144987251
(2018-Dec-04.41014499)
5.2266e-05 TDB
period 1260.702721435954
3.45
8.5384e-06
2.338e-08
d
yr
n .2855550272707876 1.934e-09 deg/d
Q 2.906785762312506 1.3125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      21671 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:03:54  

Additional Information
 Earth MOID = .694059 au 
 Jupiter MOID = 2.38947 au 
 T_jup = 3.528 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO436626  
diameter diameter 2.561 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.046   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

129322 (2005 TN45)          Discovered 2005-Oct-06 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 TN45 = 4855 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-22 09:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin