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541299 (2011 FX18)
Classification: Main-belt Asteroid          SPK-ID: 2541299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125468687877188 7.8006e-08  
a 3.090033135373561 5.8951e-08 au
q 2.702330732381207 2.3633e-07 au
i 9.997148698004546 7.0022e-06 deg
node 46.19086014457459 4.7898e-05 deg
peri 257.4710885218099 5.5984e-05 deg
M 215.8822389843059 3.1386e-05 deg
tp 2460190.751671147654
(2023-Sep-03.25167115)
0.00018111 TDB
period 1984.006687295247
5.43
5.6775e-05
1.554e-07
d
yr
n .1814510013022084 5.1925e-09 deg/d
Q 3.477735538365915 6.6347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      5392 days (14.76 yr)  
   first obs. used      2006-05-08  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:47  

Additional Information
 Earth MOID = 1.7095 au 
 Jupiter MOID = 1.80064 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458117.5 (2017-Dec-30.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252711972880965 7.7932e-08  
q 2.701161693968982 2.3578e-07 au
tp 2458204.408744895915
(2018-Mar-26.90874490)
0.00016654 TDB
node 46.21454951552624 4.788e-05 deg
peri 256.9964038699536 5.6043e-05 deg
i 10.00065604500293 7.0045e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      5392 days (14.76 yr)  
   first obs. used      2006-05-08  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:47  

Additional Information
 Jupiter MOID = 1.80064 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.073386295993654E-15 -1.795230262453491E-14 4.101318181955409E-12 -4.953284465518384E-14 6.035777403845481E-13 -3.321716769992147E-15
q -1.795230262453491E-14 5.55945415356713E-14 -1.166885249989259E-11 1.560453630030642E-13 -1.745539729853327E-12 1.194318207754731E-14
tp 4.101318181955409E-12 -1.166885249989259E-11 2.773420708056102E-8 -5.213988734576161E-11 4.960004046488993E-9 -2.234139487714671E-11
node -4.953284465518384E-14 1.560453630030642E-13 -5.213988734576161E-11 2.292447128606434E-9 -2.264890901630405E-9 -4.820167448032199E-11
peri 6.035777403845481E-13 -1.745539729853327E-12 4.960004046488993E-9 -2.264890901630405E-9 3.140827844238139E-9 4.357282668517838E-11
i -3.321716769992147E-15 1.194318207754731E-14 -2.234139487714671E-11 -4.820167448032199E-11 4.357282668517838E-11 4.90623841608453E-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 16.35   .42999 MPCxxxxx autocmod 2.8

541299 (2011 FX18)          Discovered 2011-Mar-27 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 FX18 = 2018 PM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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