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43557 (2001 FA61)
Classification: Main-belt Asteroid          SPK-ID: 2043557
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693495194336909 3.1321e-08  
a 2.37535141323084 7.1637e-09 au
q 1.973086792914059 7.1907e-08 au
i 3.063578190241534 3.5239e-06 deg
node 121.7459877343245 5.8949e-05 deg
peri 125.7037561299606 6.0071e-05 deg
M 89.00907440134409 1.1092e-05 deg
tp 2458869.885410526919
(2020-Jan-21.38541053)
4.0751e-05 TDB
period 1337.181102160882
3.66
6.0491e-06
1.656e-08
d
yr
n .2692230689008697 1.2179e-09 deg/d
Q 2.777616033547622 8.3769e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:49  

Additional Information
 Earth MOID = .959695 au 
 Jupiter MOID = 2.25033 au 
 T_jup = 3.520 
[ 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 15.66   n/a E2021B10  

43557 (2001 FA61)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FA61 = 1999 XH230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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