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 ]  
22302 (1990 OG4)
Classification: Main-belt Asteroid          SPK-ID: 2022302
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2855531275223274 1.1472e-07  
a 2.698051493857163 3.2827e-08 AU
q 1.927614451569963 2.9637e-07 AU
i 11.0422823124054 8.3311e-06 deg
node 266.6431581369009 5.0607e-05 deg
peri 84.23267173634714 5.2999e-05 deg
M 153.0855937873166 2.7059e-05 deg
tp 2456312.155890270926
(2013-Jan-19.65589027)
0.0001111 JED
period 1618.727624016294
4.43
2.9542e-05
8.088e-08
d
yr
n .2223968965864613 4.0588e-09 deg/d
Q 3.468488536144364 4.22e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      18354 days (50.25 yr)  
   first obs. used      1964-12-25  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56168  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:11:36  

Additional Information
 Earth MOID = .959441 AU 
 T_jup = 3.283 
[ 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 13.9 mag n/a MPO233645  

22302 (1990 OG4)          Discovered 1990-Jul-24 by Holt, H. E. at Palomar
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 OG4 = 1964 YB = 1999 KS4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-29 00:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin