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JPL Small-Body Database Browser
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423173 (2004 FS166)
Classification: Main-belt Asteroid          SPK-ID: 2423173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534662592321896 6.9783e-08  
a 2.403661325562108 1.8561e-08 au
q 1.794414280910794 1.6407e-07 au
i 9.714834461698134 9.9501e-06 deg
node 299.8814068910757 4.2266e-05 deg
peri 277.630448186533 5.1982e-05 deg
M 111.4709078552665 2.022e-05 deg
tp 2458579.029310214834
(2019-Apr-05.52931021)
7.6916e-05 TDB
period 1361.157374977738
3.73
1.5766e-05
4.316e-08
d
yr
n .2644808062740636 3.0634e-09 deg/d
Q 3.012908370213421 2.3265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      8030 days (21.98 yr)  
   first obs. used      1997-07-06  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:30:06  

Additional Information
 Earth MOID = .818284 au 
 Jupiter MOID = 2.09202 au 
 T_jup = 3.461 
[ 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 17.3   n/a MPO477000  

423173 (2004 FS166)          Discovered 2004-Mar-25 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2015-02-04

Alternate Designations
 2004 FS166 = 2011 BY85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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