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JPL Small-Body Database Browser
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6230 Fram (1984 SG1)
Classification: Main-belt Asteroid          SPK-ID: 2006230
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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08460866610575288 4.3733e-08  
a 2.781014534671581 1.2594e-08 au
q 2.545716604472307 1.2097e-07 au
i 3.278690780436481 3.8775e-06 deg
node 287.0627043629405 7.8948e-05 deg
peri 95.22395260432792 8.2196e-05 deg
M 230.0283209229064 2.3816e-05 deg
tp 2459612.074746022589
0.00011345 TDB
period 1693.960639206165
n .2125196959527381 1.4436e-09 deg/d
Q 3.016312464870854 1.3659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1743  
   data-arc span      12908 days (35.34 yr)  
   first obs. used      1984-09-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:57:40  

Additional Information
 Earth MOID = 1.55125 au 
 Jupiter MOID = 2.38906 au 
 T_jup = 3.326 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO384811  
diameter diameter 12.834 km 3.803 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
geometric albedo albedo 0.047   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

6230 Fram           Discovered 1984 Sept. 27 by Z. Vavrova at Klet.
Named for the ship that was built specially for polar research. It was used in expeditions of the Arctic and Antarctic regions by the Norwegian explorers F. Nansen, O. Sverdrup, O. Wisting and R. Amundsen. Fram is preserved at the Fram Museum in Oslo, Norway.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-05-31

Alternate Designations
 1984 SG1 = 1986 AB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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