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 ]  
101323 (1998 SO155)
Classification: Main-belt Asteroid          SPK-ID: 2101323
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428514085301095 3.3758e-08  
a 2.372280236185351 1.0212e-08 au
q 2.033396663018133 7.9052e-08 au
i 5.280994044696838 3.797e-06 deg
node 72.39065651034035 5.1458e-05 deg
peri 234.1448802250902 5.3968e-05 deg
M 22.30082810367917 1.6505e-05 deg
tp 2458917.826580271668
(2020-Mar-09.32658027)
6.1109e-05 TDB
period 1334.588606478224
3.65
8.6173e-06
2.359e-08
d
yr
n .2697460462741286 1.7417e-09 deg/d
Q 2.71116380935257 1.167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:13  

Additional Information
 Earth MOID = 1.02372 au 
 Jupiter MOID = 2.51295 au 
 T_jup = 3.524 
[ 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 16.2   n/a MPO432540  

101323 (1998 SO155)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SO155 = 2001 KX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-06 02:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin