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541979 (2012 FY81)
Classification: Main-belt Asteroid          SPK-ID: 2541979
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06561711875408445 8.1287e-08  
a 2.876234070074243 8.6198e-08 au
q 2.687503877533637 2.6168e-07 au
i 12.07329027968967 7.4035e-06 deg
node 136.1995822524221 4.0183e-05 deg
peri 74.54277397791988 7.0451e-05 deg
M 261.5997260832023 6.2176e-05 deg
tp 2459687.499564692358
(2022-Apr-17.99956469)
0.00032079 TDB
period 1781.70076475082
4.88
8.0094e-05
2.193e-07
d
yr
n .2020541311550416 9.0831e-09 deg/d
Q 3.064964262614847 9.1854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3258 days (8.92 yr)  
   first obs. used      2012-03-14  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:25:05  

Additional Information
 Earth MOID = 1.71422 au 
 Jupiter MOID = 1.98269 au 
 T_jup = 3.260 
[ 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 16.73   n/a MPCxxxxx  

541979 (2012 FY81)          Discovered 2012-Mar-22 by Palomar Transient Factory at Palomar
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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