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8697 Olofsson (1993 FT23)
Classification: Main-belt Asteroid          SPK-ID: 2008697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722145059503256 2.9991e-08  
a 3.095284672806001 1.396e-08 au
q 2.5622317521031 9.5797e-08 au
i .9881430620821666 3.3292e-06 deg
node 287.5089939134401 0.00021358 deg
peri 22.03003230517735 0.00021383 deg
M 323.6890785317885 1.1654e-05 deg
tp 2459597.124557604904
(2022-Jan-17.62455761)
6.495e-05 TDB
period 1989.06658981362
5.45
1.3456e-05
3.684e-08
d
yr
n .1809894157609539 1.2244e-09 deg/d
Q 3.628337593508901 1.6364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1937  
   data-arc span      18401 days (50.38 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 19:42:27  

Additional Information
 Earth MOID = 1.54714 au 
 Jupiter MOID = 1.6391 au 
 T_jup = 3.200 
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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 13.66   n/a MPO636197  
diameter diameter 9.157 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8697 Olofsson           Discovered 1993 Mar. 21 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Kjell Olofsson (b. 1955) is the director of undergraduate studies at the Uppsala Observatory and studies galaxies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1993 FT23 = 1042 T-1 = 1978 RU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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