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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369787575549217 1.1494e-08  
a 2.548642955255913 9.2301e-09 au
q 2.199533009793854 3.1021e-08 au
i 14.37025194436723 7.7432e-07 deg
node 186.4999794389571 4.2845e-06 deg
peri 59.5189414809113 8.0137e-06 deg
M 9.000017739871382 7.4535e-06 deg
tp 2459359.346238464341
(2021-May-24.84623846)
3.0808e-05 TDB
period 1486.147532085703
4.07
8.0733e-06
2.21e-08
d
yr
n .2422370540122389 1.3159e-09 deg/d
Q 2.897752900717972 1.0494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2144  
   data-arc span      17448 days (47.77 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 00:10:32  

Additional Information
 Earth MOID = 1.22587 au 
 Jupiter MOID = 2.16572 au 
 T_jup = 3.385 
[ 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 13.51   n/a MPCxxxxx  
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 ]
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