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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457029.5 (2015-Jan-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2531399503214274 6.9877e-08  
q 1.796164974266902 1.643e-07 au
tp 2457216.657225915092
(2015-Jul-13.15722592)
8.0653e-05 TDB
node 299.9224521886121 4.2271e-05 deg
peri 277.5396988190276 5.1986e-05 deg
i 9.712415629214201 9.9476e-06 deg
  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
 Jupiter MOID = 2.09202 au 
 T_jup = 3.461 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.882727980813136E-15 -1.144383095744989E-14 2.65096140617991E-13 -6.831441691060868E-14 3.174924639403889E-13 -3.578046307549471E-14
q -1.144383095744989E-14 2.699417316332446E-14 -9.777197814814794E-13 1.684144396413489E-13 -8.824302048920715E-13 8.550817517002727E-14
tp 2.65096140617991E-13 -9.777197814814794E-13 6.504917754589158E-9 -8.126050942921371E-11 2.44441686857878E-9 -2.570669817039099E-12
node -6.831441691060868E-14 1.684144396413489E-13 -8.126050942921371E-11 1.786832626290916E-9 -1.79502435785954E-9 4.084550630094546E-11
peri 3.174924639403889E-13 -8.824302048920715E-13 2.44441686857878E-9 -1.79502435785954E-9 2.702494741597954E-9 -4.294305777543269E-11
i -3.578046307549471E-14 8.550817517002727E-14 -2.570669817039099E-12 4.084550630094546E-11 -4.294305777543269E-11 9.895483615511075E-11

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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