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JPL Small-Body Database Browser
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376276 (2011 FW55)
Classification: Main-belt Asteroid          SPK-ID: 2376276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01516995634733509 5.4178e-08  
a 2.754239851961638 4.3823e-08 au
q 2.712458153637289 1.4218e-07 au
i 6.824433615205439 7.8682e-06 deg
node 359.018892991248 4.794e-05 deg
peri 266.8414555060212 0.0002684 deg
M 284.5157609655728 0.00026158 deg
tp 2459350.569959444651
(2021-May-16.06995944)
0.0012111 TDB
period 1669.556281048236
4.57
3.9846e-05
1.091e-07
d
yr
n .2156261541383756 5.1462e-09 deg/d
Q 2.796021550285987 4.4488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6119 days (16.75 yr)  
   first obs. used      2002-04-04  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58026  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:01:41  

Additional Information
 Earth MOID = 1.7079 au 
 Jupiter MOID = 2.197 au 
 T_jup = 3.334 
[ 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 16.4   n/a MPO423380  

376276 (2011 FW55)          Discovered 2006-Jan-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

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