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 ]  
101180 (1998 SH9)
Classification: Main-belt Asteroid          SPK-ID: 2101180
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09119347946012474 4.1311e-08  
a 2.698834357042348 1.3349e-08 au
q 2.452718261537128 1.1474e-07 au
i 4.810049869146183 4.9984e-06 deg
node 186.242422168307 4.1245e-05 deg
peri 234.8593863229978 4.9555e-05 deg
M 321.888050135287 2.7866e-05 deg
tp 2459371.943664122141
(2021-Jun-06.44366412)
0.00012538 TDB
period 1619.432207038973
4.43
1.2015e-05
3.29e-08
d
yr
n .2223001360817917 1.6493e-09 deg/d
Q 2.944950452547569 1.4566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10030 days (27.46 yr)  
   first obs. used      1993-07-22  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:34  

Additional Information
 Earth MOID = 1.46818 au 
 Jupiter MOID = 2.33094 au 
 T_jup = 3.357 
[ 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 15.47   n/a E2021B55  

101180 (1998 SH9)          Discovered 1998-Sep-17 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SH9 = 2000 CM25 
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 12:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin