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JPL Small-Body Database Browser
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172801 (2004 FS129)
Classification: Main-belt Asteroid          SPK-ID: 2172801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03745756493449142 4.1047e-08  
a 3.031399099236581 3.0255e-08 au
q 2.917850270634568 1.3288e-07 au
i 4.932463677551851 4.7454e-06 deg
node 271.9028132688445 5.6237e-05 deg
peri 348.792392346096 8.9174e-05 deg
M 312.8013373017785 7.0887e-05 deg
tp 2459253.249494506001
(2021-Feb-07.74949451)
0.00038047 TDB
period 1927.805001678343
5.28
2.8861e-05
7.902e-08
d
yr
n .1867408787126213 2.7957e-09 deg/d
Q 3.144947927838594 3.1388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54157  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:54:37  

Additional Information
 Earth MOID = 1.90244 au 
 Jupiter MOID = 1.89521 au 
 T_jup = 3.236 
[ 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 15.0   n/a MPO433109  
diameter diameter 4.990 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172801 (2004 FS129)          Discovered 2004-Mar-19 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 FS129 = 2001 TV94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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