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46756 (1998 FP55)
Classification: Main-belt Asteroid          SPK-ID: 2046756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13337978707417 4.7095e-08  
a 2.397177187098653 1.1545e-08 au
q 2.077442204304377 1.1276e-07 au
i 2.330993497268798 3.823e-06 deg
node 83.39832326919797 0.00012533 deg
peri 121.2452209962286 0.00012607 deg
M 229.8888893360065 1.7343e-05 deg
tp 2459090.459874038058
(2020-Aug-28.95987404)
6.7285e-05 TDB
period 1355.653285515403
3.71
9.7931e-06
2.681e-08
d
yr
n .2655546250995381 1.9183e-09 deg/d
Q 2.716912169892929 1.3084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      9138 days (25.02 yr)  
   first obs. used      1994-01-12  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:07  

Additional Information
 Earth MOID = 1.07483 au 
 Jupiter MOID = 2.24252 au 
 T_jup = 3.515 
[ 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 15.7   n/a MPO266175  
diameter diameter 2.220 km 0.600 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46756 (1998 FP55)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FP55 = 2000 WU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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