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 ]  
344658 (2003 SH54)
Classification: Main-belt Asteroid          SPK-ID: 2344658
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805932844488304 6.7673e-08  
a 2.662268420592051 2.3679e-08 au
q 2.181480622432932 1.8175e-07 au
i 5.543946861270566 6.6586e-06 deg
node 266.6903660827755 7.3316e-05 deg
peri 112.060010748694 7.5363e-05 deg
M 289.1245782138681 1.9404e-05 deg
tp 2459312.870018657957
(2021-Apr-08.37001866)
8.823e-05 TDB
period 1586.631922363644
4.34
2.1168e-05
5.795e-08
d
yr
n .2268957247902206 3.0272e-09 deg/d
Q 3.143056218751169 2.7956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      5745 days (15.73 yr)  
   first obs. used      2003-09-03  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6344  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:58  

Additional Information
 Earth MOID = 1.19123 au 
 Jupiter MOID = 2.35809 au 
 T_jup = 3.355 
[ 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 16.5   n/a MPO476592  

344658 (2003 SH54)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 SH54 = 2008 YH87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-10 13:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin