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541356 (2011 FW146)
Classification: Main-belt Asteroid          SPK-ID: 2541356
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02247589318112079 5.7187e-08  
a 2.966575890297753 3.9446e-08 au
q 2.899899447473733 1.6517e-07 au
i 9.665527429618493 1.0807e-05 deg
node 324.5257354010283 4.1025e-05 deg
peri 140.8956380193108 0.00028082 deg
M 81.81337789779772 0.00027568 deg
tp 2458972.365652205541
(2020-May-02.86565221)
0.0014287 TDB
period 1866.300709362539
5.11
3.7223e-05
1.019e-07
d
yr
n .1928949596353971 3.8473e-09 deg/d
Q 3.033252333121774 4.0332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      4633 days (12.68 yr)  
   first obs. used      2008-09-05  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:51  

Additional Information
 Earth MOID = 1.92191 au 
 Jupiter MOID = 2.00107 au 
 T_jup = 3.242 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457863.5 (2017-Apr-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02251778384733744 6.0209e-08  
q 2.89907146574767 1.7467e-07 au
tp 2457122.439519209207
(2015-Apr-09.93951921)
0.001403 TDB
node 324.5491491029828 4.1028e-05 deg
peri 143.991844127194 0.0002762 deg
i 9.665689629496319 1.0808e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      4633 days (12.68 yr)  
   first obs. used      2008-09-05  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:51  

Additional Information
 Jupiter MOID = 2.00107 au 
 T_jup = 3.242 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.625100459346481E-15 -1.027212852814813E-14 4.519211404268753E-11 -2.173007049141187E-14 8.762591112131901E-12 -1.252665092122602E-14
q -1.027212852814813E-14 3.051102539106867E-14 -1.342568167754935E-10 6.055098579755548E-14 -2.593848578375892E-11 3.897640755187447E-14
tp 4.519211404268753E-11 -1.342568167754935E-10 1.96827129060841E-6 1.765850883956859E-10 3.832554448713899E-7 -1.32078885744362E-10
node -2.173007049141187E-14 6.055098579755548E-14 1.765850883956859E-10 1.683271112051839E-9 -1.623340477342619E-9 2.876343195719107E-10
peri 8.762591112131901E-12 -2.593848578375892E-11 3.832554448713899E-7 -1.623340477342619E-9 7.628805967331788E-8 -3.086136334851112E-10
i -1.252665092122602E-14 3.897640755187447E-14 -1.32078885744362E-10 2.876343195719107E-10 -3.086136334851112E-10 1.1680221623647E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.27   .34242 MPCxxxxx autocmod 2.8

541356 (2011 FW146)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 FW146 = 2013 RK50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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