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541351 (2011 FD128)
Classification: Main-belt Asteroid          SPK-ID: 2541351
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492110009820647 6.5935e-08  
a 2.750702916547428 3.0508e-08 au
q 2.340267780965101 1.7896e-07 au
i 8.942543592636531 6.5655e-06 deg
node 104.0439552194396 3.989e-05 deg
peri 114.0899245153705 4.935e-05 deg
M 18.88064845973856 2.6104e-05 deg
tp 2459113.106654645537
(2020-Sep-20.60665465)
0.00012026 TDB
period 1666.341301502231
4.56
2.7722e-05
7.59e-08
d
yr
n .2160421755587854 3.5941e-09 deg/d
Q 3.161138052129754 3.506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6612 days (18.10 yr)  
   first obs. used      2002-04-12  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:56  

Additional Information
 Earth MOID = 1.34808 au 
 Jupiter MOID = 1.87666 au 
 T_jup = 3.312 
[ 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 16.66   n/a E2021B25  

541351 (2011 FD128)          Discovered 2002-Apr-12 by NEAT at Palomar
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 FD128 = 2005 YG281 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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