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 ]  
118844 (2000 ST242)
Classification: Main-belt Asteroid          SPK-ID: 2118844
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09104873914330808 4.3038e-08  
a 2.76057268994472 1.5934e-08 au
q 2.509226027211803 1.2012e-07 au
i 5.352601308650622 4.7472e-06 deg
node 146.5768694251673 5.2162e-05 deg
peri 280.8020268958931 6.1149e-05 deg
M 41.23766967988779 2.917e-05 deg
tp 2458808.593881043539
(2019-Nov-21.09388104)
0.00013589 TDB
period 1675.317818892669
4.59
1.4505e-05
3.971e-08
d
yr
n .2148846003667222 1.8605e-09 deg/d
Q 3.011919352677638 1.7385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      8010 days (21.93 yr)  
   first obs. used      1998-02-26  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:03:06  

Additional Information
 Earth MOID = 1.53001 au 
 Jupiter MOID = 2.22655 au 
 T_jup = 3.329 
[ 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 15.5   n/a MPO320360  

118844 (2000 ST242)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 ST242 = 2001 XA184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 09:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin