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216877 (2008 FS54)
Classification: Jupiter Trojan          SPK-ID: 2216877
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009278428718752 6.2501e-08  
a 5.263880653482575 1.7829e-07 au
q 4.732608533991582 4.2664e-07 au
i 2.248880668510412 6.1002e-06 deg
node 99.27170699878593 0.00021992 deg
peri 204.3079998106212 0.00022473 deg
M 293.4017537472386 5.1655e-05 deg
tp 2460016.551880985294
(2023-Mar-13.05188099)
0.00065543 TDB
period 4411.207406869587
12.08
0.00022411
6.136e-07
d
yr
n .08161030910479769 4.1462e-09 deg/d
Q 5.795152772973568 1.9628e-07 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2000-09-30  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:37  

Additional Information
 Earth MOID = 3.71551 au 
 Jupiter MOID = .0815861 au 
 T_jup = 2.988 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.95   n/a E2021B55  

216877 (2008 FS54)          Discovered 2008-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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