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3166 Klondike (1940 FG)
Classification: Main-belt Asteroid          SPK-ID: 2003166
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162938667117103 3.9116e-08  
a 2.23788184237913 6.2721e-09 au
q 1.977629909684935 8.8725e-08 au
i 5.239425435781103 3.2496e-06 deg
node 71.95878020203978 4.0233e-05 deg
peri 118.5595441814428 4.2397e-05 deg
M 340.2133660978079 1.3383e-05 deg
tp 2459067.708402607984
(2020-Aug-06.20840261)
4.5468e-05 TDB
period 1222.796411884579
3.35
5.1407e-06
1.407e-08
d
yr
n .2944071445590574 1.2377e-09 deg/d
Q 2.498133775073326 7.0015e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3773  
   data-arc span      29323 days (80.28 yr)  
   first obs. used      1940-03-30  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:39  

Additional Information
 Earth MOID = .983366 au 
 Jupiter MOID = 2.46466 au 
 T_jup = 3.622 
[ 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 12.2   n/a MPO452207  
diameter diameter 7.837 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 20. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.228   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3166 Klondike (1940 FG)          Discovered 1940-Mar-30 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1940 FG = 1937 LL = 1955 XG = 1957 KM = 1960 HC = 1970 ET = 1974 MT = 1974 QV2 = 1975 VS = 1977 JA1 = 1980 DG4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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