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46179 (2001 FD98)
Classification: Main-belt Asteroid          SPK-ID: 2046179
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783609009609132 3.7364e-08  
a 2.739746696227782 1.4137e-08 au
q 2.251083007083909 1.0168e-07 au
i 10.25644645324525 4.0278e-06 deg
node 108.3367515683515 2.3438e-05 deg
peri 239.0378950482395 2.5814e-05 deg
M 305.4365681916223 1.1809e-05 deg
tp 2459251.551731905032
(2021-Feb-06.05173190)
5.5112e-05 TDB
period 1656.395510517262
4.53
1.2821e-05
3.51e-08
d
yr
n .2173393961250104 1.6822e-09 deg/d
Q 3.228410385371655 1.6659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      7936 days (21.73 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:39:44  

Additional Information
 Earth MOID = 1.26321 au 
 Jupiter MOID = 2.22226 au 
 T_jup = 3.304 
[ 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 14.3   n/a MPO337628  
diameter diameter 3.544 km 0.721 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46179 (2001 FD98)          Discovered 2001-Mar-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FD98 = 1998 SY166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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