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 ]  
30812 (1990 OZ4)
Classification: Main-belt Asteroid          SPK-ID: 2030812
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989201216263618 6.0635e-08  
a 2.271149181048366 1.3415e-08 AU
q 1.819371909722613 1.3556e-07 AU
i 4.947168626785245 5.3934e-06 deg
node 228.70034105509 8.4299e-05 deg
peri 57.13762750550958 8.5895e-05 deg
M 56.16585014679919 1.6358e-05 deg
tp 2456805.454131302942
(2014-May-27.95413130)
5.6899e-05 JED
period 1250.163801445505
3.42
1.1077e-05
3.033e-08
d
yr
n .2879622650917817 2.5514e-09 deg/d
Q 2.722926452374119 1.6084e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      14064 days (38.51 yr)  
   first obs. used      1976-05-03  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60571  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:57:45  

Additional Information
 Earth MOID = .810163 AU 
 T_jup = 3.581 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO263605  

30812 (1990 OZ4)          Discovered 1990-Jul-25 by Holt, H. E. at Palomar (675)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OZ4 = 1976 JX4 = 2000 HC14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Nov-23 15:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin