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3066 McFadden (1984 EO)
Classification: Main-belt Asteroid          SPK-ID: 2003066
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134362687304388 3.6672e-08  
a 2.525502746069666 8.806e-09 au
q 2.186169410313134 9.2735e-08 au
i 15.57522574368558 3.844e-06 deg
node 175.6769548862624 1.3059e-05 deg
peri 188.2383874893008 1.8317e-05 deg
M 165.0259767426111 1.4109e-05 deg
tp 2458328.498866487145
(2018-Jul-28.99886649)
5.6771e-05 TDB
period 1465.953499199389
4.01
7.6673e-06
2.099e-08
d
yr
n .2455739559246655 1.2844e-09 deg/d
Q 2.864836081826197 9.9892e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2691  
   data-arc span      30634 days (83.87 yr)  
   first obs. used      1936-03-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:37:46  

Additional Information
 Earth MOID = 1.18412 au 
 Jupiter MOID = 2.59106 au 
 T_jup = 3.390 
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Orbital Elements at Epoch 2456653.5 (2013-Dec-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337400226374432 3.6488e-08  
q 2.188263416863493 9.2174e-08 au
tp 2456857.935201702372
(2014-Jul-19.43520170)
5.6371e-05 TDB
node 175.7191038178748 1.3063e-05 deg
peri 187.3748732663337 1.839e-05 deg
i 15.56930415630813 3.8426e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2691  
   data-arc span      30634 days (83.87 yr)  
   first obs. used      1936-03-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:37:46  

Additional Information
 Jupiter MOID = 2.59106 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.331354004566158E-15 -3.351789230973897E-15 5.188496699053775E-13 1.524211249326657E-14 9.265608142206819E-14 3.004074471275237E-15
q -3.351789230973897E-15 8.495982546248958E-15 -1.285944285263801E-12 -3.896375777730447E-14 -2.309862997770132E-13 -7.403436731342898E-15
tp 5.188496699053775E-13 -1.285944285263801E-12 3.177678756761727E-9 1.977755668716016E-12 7.41382013372706E-10 5.59872267902222E-12
node 1.524211249326657E-14 -3.896375777730447E-14 1.977755668716016E-12 1.706434086199967E-10 -1.637412477516314E-10 5.790004464223583E-12
peri 9.265608142206819E-14 -2.309862997770132E-13 7.41382013372706E-10 -1.637412477516314E-10 3.381829306461846E-10 -4.362432846237805E-12
i 3.004074471275237E-15 -7.403436731342898E-15 5.59872267902222E-12 5.790004464223583E-12 -4.362432846237805E-12 1.476568502347599E-11

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 11.2   n/a MPO358658  
diameter diameter 13.526 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.798 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2005) Minor Planet Bull. 32, 90-92.]
geometric albedo albedo 0.363   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3066 McFadden (1984 EO)          Discovered 1984-Mar-01 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1984 EO = 1933 MA = 1936 FE = 1941 MA = 1952 FW = 1968 FQ = 1976 GC = 1980 EG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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