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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
5543 Sharaf (1978 TW2)
Classification: Main-belt Asteroid          SPK-ID: 2005543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09886139483486873 2.9847e-08  
a 2.255452466406061 6.9824e-09 au
q 2.032475289593413 6.5761e-08 au
i 2.460763437828476 4.0438e-06 deg
node 154.0693425621622 8.1152e-05 deg
peri 310.8826144334852 8.4207e-05 deg
M 277.3967782822021 2.2604e-05 deg
tp 2458884.385643654208
(2020-Feb-04.88564365)
7.8022e-05 TDB
period 1237.225735149442
3.39
5.7453e-06
1.573e-08
d
yr
n .2909735788485812 1.3512e-09 deg/d
Q 2.478429643218709 7.6727e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1954  
   data-arc span      23834 days (65.25 yr)  
   first obs. used      1954-07-28  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:46:56  

Additional Information
 Earth MOID = 1.0505 au 
 Jupiter MOID = 2.61473 au 
 T_jup = 3.616 
[ 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 14.0   n/a MPO416772  
diameter diameter 4.404 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.251   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5543 Sharaf (1978 TW2)          Discovered 1978-Oct-03 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 TW2 = 1966 DE = 1968 UT1 = 1978 VN12 = 1983 CE4 = 1985 WV = 1988 RQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin