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 ]  
5838 Hamsun (2170 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2005838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371574088996265 4.9502e-08  
a 2.549509025773587 1.169e-08 au
q 2.19982497383227 1.2524e-07 au
i 14.36816763432292 4.4042e-06 deg
node 186.5181771437963 2.0682e-05 deg
peri 59.29049196646665 2.4768e-05 deg
M 176.4665921667083 1.5169e-05 deg
tp 2457871.641445000420
(2017-Apr-28.14144500)
6.2135e-05 TDB
period 1486.905122256622
4.07
1.0227e-05
2.8e-08
d
yr
n .2421136322764434 1.6652e-09 deg/d
Q 2.899193077714903 1.3294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1620  
   data-arc span      16880 days (46.21 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:05:20  

Additional Information
 Earth MOID = 1.22557 au 
 Jupiter MOID = 2.16651 au 
 T_jup = 3.384 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO452249  
diameter diameter 4.882 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.355   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5838 Hamsun (2170 T-2)          Discovered 1973-Sep-29 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 2170 T-2 = 1988 FG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 13:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin