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46765 (1998 FN109)
Classification: Main-belt Asteroid          SPK-ID: 2046765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03629030364051898 2.2601e-08  
a 2.177423816171084 5.9506e-09 au
q 2.098404444728137 4.975e-08 au
i 4.480240183292558 3.1383e-06 deg
node 282.5637451046247 4.3841e-05 deg
peri 320.0904511469782 7.4698e-05 deg
M 275.4629818406869 6.1341e-05 deg
tp 2459276.086097173399
(2021-Mar-02.58609717)
0.00020014 TDB
period 1173.580487490779
3.21
4.8109e-06
1.317e-08
d
yr
n .30675356640405 1.2575e-09 deg/d
Q 2.25644318761403 6.1666e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2115  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1998-03-31  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:02  

Additional Information
 Earth MOID = 1.08664 au 
 Jupiter MOID = 2.74015 au 
 T_jup = 3.679 
[ 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 14.5   n/a MPO347848  
diameter diameter 2.918 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.395   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46765 (1998 FN109)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FN109 = 1999 UL23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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