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JPL Small-Body Database Browser
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108085 (2001 FP172)
Classification: Main-belt Asteroid          SPK-ID: 2108085
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2830368946209845 4.066e-08  
a 2.726729779560835 2.2468e-08 au
q 1.954964650283375 1.1887e-07 au
i 17.06507757513493 4.4004e-06 deg
node 125.0554699394423 1.5459e-05 deg
peri 187.0029241425538 1.7167e-05 deg
M 9.33213625813325 1.0766e-05 deg
tp 2458957.867563951472
(2020-Apr-18.36756395)
4.8816e-05 TDB
period 1644.604895700491
4.50
2.0327e-05
5.565e-08
d
yr
n .2188975607096586 2.7055e-09 deg/d
Q 3.498494908838295 2.8827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      6620 days (18.12 yr)  
   first obs. used      2001-03-25  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:00  

Additional Information
 Earth MOID = .941445 au 
 Jupiter MOID = 1.80317 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 14.9   n/a MPO474951  
diameter diameter 2.854 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108085 (2001 FP172)          Discovered 2001-Mar-25 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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