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 ]  
46551 (1989 TC4)
Classification: Main-belt Asteroid          SPK-ID: 2046551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755791336559405 3.2629e-08  
a 2.668439944443022 9.7169e-09 au
q 2.199917570784811 8.8236e-08 au
i 2.333402907611234 4.075e-06 deg
node 137.9652476212715 8.3119e-05 deg
peri 238.5342233749124 8.3892e-05 deg
M 58.99560757485914 1.1483e-05 deg
tp 2458939.583374018475
(2020-Mar-31.08337402)
5.0258e-05 TDB
period 1592.152182417344
4.36
8.6965e-06
2.381e-08
d
yr
n .2261090390576966 1.235e-09 deg/d
Q 3.136962318101234 1.1423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      11496 days (31.47 yr)  
   first obs. used      1989-09-26  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:13  

Additional Information
 Earth MOID = 1.20099 au 
 Jupiter MOID = 2.32681 au 
 T_jup = 3.359 
[ 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 14.97   n/a MPCxxxxx  

46551 (1989 TC4)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 TC4 = 1989 SP5 = 1998 VF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 00:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin