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 ]  
344053 (5478 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2344053
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175649441126202 6.2555e-08  
a 2.654355696171105 2.228e-08 au
q 2.188119601588499 1.725e-07 au
i 9.755790513640784 5.4217e-06 deg
node 234.7534044058794 3.7613e-05 deg
peri 136.9330721930916 4.0796e-05 deg
M 286.1472911445962 1.7812e-05 deg
tp 2459324.541799671892
(2021-Apr-20.04179967)
8.0839e-05 TDB
period 1579.563562255787
4.32
1.9887e-05
5.445e-08
d
yr
n .2279110563210772 2.8695e-09 deg/d
Q 3.12059179075371 2.6193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      16658 days (45.61 yr)  
   first obs. used      1973-09-29  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65844  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:59:53  

Additional Information
 Earth MOID = 1.20087 au 
 Jupiter MOID = 2.39235 au 
 T_jup = 3.346 
[ 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 16.2   n/a MPO386396  

344053 (5478 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

Alternate Designations
 5478 T-2 = 1999 TR166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 11:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin