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216442 (2009 FG4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2216442
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0589366494664121 9.5692e-08  
a 1.970349487616636 1.106e-08 au
q 1.85422369053865 1.8926e-07 au
i 22.7128456569755 7.7772e-06 deg
node 55.06562141519335 1.7012e-05 deg
peri 159.8446027359202 6.2316e-05 deg
M 67.59296988384982 5.7533e-05 deg
tp 2459010.824012918896
(2020-Jun-10.32401292)
0.00016216 TDB
period 1010.213864940895
2.77
8.5057e-06
2.329e-08
d
yr
n .3563601851980747 3.0004e-09 deg/d
Q 2.086475284694623 1.1712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      8112 days (22.21 yr)  
   first obs. used      1998-04-24  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:49  

Additional Information
 Earth MOID = .847434 au 
 Jupiter MOID = 2.90536 au 
 T_jup = 3.774 
[ 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 16.88   n/a E2021B55  

216442 (2009 FG4)          Discovered 2009-Mar-18 by Crni Vrh at Crni Vrh
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2009 FG4 = 1999 VV109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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