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46666 (1996 FX21)
Classification: Main-belt Asteroid          SPK-ID: 2046666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05673555474218504 4.9458e-08  
a 2.949112047610742 1.897e-08 au
q 2.781792539592685 1.4677e-07 au
i 2.635719885101788 5.6679e-06 deg
node 35.73629900015126 9.2111e-05 deg
peri 186.0865842195083 0.00010039 deg
M 306.3193179059402 3.9447e-05 deg
tp 2459476.335946206828
(2021-Sep-18.83594621)
0.00020278 TDB
period 1849.844986329754
5.06
1.7849e-05
4.887e-08
d
yr
n .1946109012703112 1.8777e-09 deg/d
Q 3.116431555628798 2.0046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      9131 days (25.00 yr)  
   first obs. used      1996-03-24  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:54  

Additional Information
 Earth MOID = 1.77193 au 
 Jupiter MOID = 1.85099 au 
 T_jup = 3.266 
[ show covariance matrix ]

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 14.98   n/a MPCxxxxx  

46666 (1996 FX21)          Discovered 1996-Mar-24 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1996 FX21 = 1998 TH12 = 2001 HS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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