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 ]  
22648 (1998 OG9)
Classification: Main-belt Asteroid          SPK-ID: 2022648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04919366719082838 5.0197e-08  
a 2.892996306901928 1.5337e-08 au
q 2.750679209395899 1.4377e-07 au
i 2.475339314998898 5.9901e-06 deg
node 153.9599469334284 9.4029e-05 deg
peri 233.3969816932521 0.00010586 deg
M 135.0385030321725 4.851e-05 deg
tp 2458526.320783677707
(2019-Feb-11.82078368)
0.00024226 TDB
period 1797.298640212279
4.92
1.4293e-05
3.913e-08
d
yr
n .2003006022179377 1.5928e-09 deg/d
Q 3.035313404407958 1.6092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1484  
   data-arc span      10964 days (30.02 yr)  
   first obs. used      1991-03-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:40  

Additional Information
 Earth MOID = 1.75404 au 
 Jupiter MOID = 2.19374 au 
 T_jup = 3.287 
[ 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 14.09   n/a E2021B10  
diameter diameter 4.511 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22648 (1998 OG9)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 OG9 = 1997 LJ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 03:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin