Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
30800 (1989 ST)
Classification: Mars-crossing Asteroid          SPK-ID: 2030800
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2747963086270913 7.4288e-08  
a 2.274003212547016 1.4926e-08 AU
q 1.649115523932949 1.6383e-07 AU
i 4.493710963775754 6.1681e-06 deg
node 292.4938497973598 7.9049e-05 deg
peri 22.8099993835802 7.9681e-05 deg
M 158.8045835563168 1.3365e-05 deg
tp 2456447.983095238581
(2013-Jun-04.48309524)
4.3043e-05 JED
period 1252.521062426217
3.43
1.2332e-05
3.376e-08
d
yr
n .2874203163519309 2.8298e-09 deg/d
Q 2.898890901161083 1.9027e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      21561 days (59.03 yr)  
   first obs. used      1955-10-23  
   last obs. used      2014-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52817  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:57:43  

Additional Information
 Earth MOID = .637346 AU 
 T_jup = 3.556 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO270317  

30800 (1989 ST)          Discovered 1989-Sep-29 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 ST = 1999 NV12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-22 12:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin