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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
14321 (1978 VT9)
Classification: Main-belt Asteroid          SPK-ID: 2014321
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000273809358468 4.6018e-08  
a 2.229278682770116 8.8417e-09 au
q 1.783361906479495 1.0165e-07 au
i 3.844855721825962 4.5767e-06 deg
node 55.33530193196655 6.9137e-05 deg
peri 289.221441854744 7.015e-05 deg
M 230.031628542263 1.6551e-05 deg
tp 2459439.414721844195
(2021-Aug-12.91472184)
5.7777e-05 TDB
period 1215.751940965818
3.33
7.2328e-06
1.98e-08
d
yr
n .2961130374293366 1.7617e-09 deg/d
Q 2.675195459060737 1.061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      15598 days (42.70 yr)  
   first obs. used      1977-04-24  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:25:17  

Additional Information
 Earth MOID = .78061 au 
 Jupiter MOID = 2.73814 au 
 T_jup = 3.614 
[ 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 15.6   n/a MPO452372  

14321 (1978 VT9)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VT9 = 1991 RM20 = 1998 UZ31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-05 03:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin