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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162648604537674 3.1585e-08  
a 2.238507912392955 5.6776e-09 au
q 1.978248102333934 7.0421e-08 au
i 5.23841260430818 2.999e-06 deg
node 71.95068880924613 3.6953e-05 deg
peri 118.7740954778831 3.916e-05 deg
M 96.59637789717385 1.3372e-05 deg
tp 2459068.257570309160
(2020-Aug-06.75757031)
4.5355e-05 TDB
period 1223.309582213222
3.35
4.6541e-06
1.274e-08
d
yr
n .2942836426971209 1.1196e-09 deg/d
Q 2.498767722451976 6.3377e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4020  
   data-arc span      29717 days (81.36 yr)  
   first obs. used      1940-03-30  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:22:43  

Additional Information
 Earth MOID = .984634 au 
 Jupiter MOID = 2.46194 au 
 T_jup = 3.622 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457376.5 (2015-Dec-20.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166200498081017 3.1585e-08  
q 1.97683382556201 7.051e-08 au
tp 2457845.402470001099
(2017-Apr-01.90247000)
4.5151e-05 TDB
node 71.97488809819468 3.6956e-05 deg
peri 118.7143696295462 3.9154e-05 deg
i 5.238876390362945 2.999e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      4020  
   data-arc span      29717 days (81.36 yr)  
   first obs. used      1940-03-30  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:22:43  

Additional Information
 Jupiter MOID = 2.46194 au 
 T_jup = 3.622 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.97636173442412E-16 -2.221378766874144E-15 -2.82866005767429E-13 -8.527036117363057E-15 -6.169341110037025E-14 -4.054978366009433E-16
q -2.221378766874144E-15 4.971657371174278E-15 6.230733481947412E-13 1.877104404733934E-14 1.324598129941824E-13 9.593432303904845E-16
tp -2.82866005767429E-13 6.230733481947412E-13 2.038601254011709E-9 2.769156298900307E-12 5.938190431562775E-10 3.303114314649125E-13
node -8.527036117363057E-15 1.877104404733934E-14 2.769156298900307E-12 1.365772451556762E-9 -1.359122227424893E-9 -4.523146590160357E-12
peri -6.169341110037025E-14 1.324598129941824E-13 5.938190431562775E-10 -1.359122227424893E-9 1.533071887154594E-9 4.586554021466059E-12
i -4.054978366009433E-16 9.593432303904845E-16 3.303114314649125E-13 -4.523146590160357E-12 4.586554021466059E-12 8.994256853801293E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.29   n/a E2021B10  
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 150.19 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ferrero, A. (2020) Minor Planet Bull. 47, 172-174.]
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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