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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427126189855955 3.087e-08  
a 2.372050046676247 9.7334e-09 au
q 2.033528572150175 7.177e-08 au
i 5.280976288263704 3.7377e-06 deg
node 72.38966926859428 4.7387e-05 deg
peri 234.1482431541332 5.0096e-05 deg
M 76.26456051903425 1.6538e-05 deg
tp 2458917.813889968220
(2020-Mar-09.31388997)
6.1044e-05 TDB
period 1334.394362451504
3.65
8.2133e-06
2.249e-08
d
yr
n .2697853124458802 1.6605e-09 deg/d
Q 2.710571521202318 1.1122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1998-09-21  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54774  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:15  

Additional Information
 Earth MOID = 1.02187 au 
 Jupiter MOID = 2.51274 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 16.33   n/a E2021B55  

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 2021-Apr-21 15:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin