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JPL Small-Body Database Browser
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46459 (4540 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046459
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0596264715708063 4.6385e-08  
a 3.086702796305361 2.5622e-08 au
q 2.902653599773932 1.4374e-07 au
i 15.75412923867758 4.9661e-06 deg
node 175.8350468766691 1.608e-05 deg
peri 131.9412054408228 3.912e-05 deg
M 341.5973084099138 3.4804e-05 deg
tp 2458701.755703884247
(2019-Aug-06.25570388)
0.00019145 TDB
period 1980.8001030657
5.42
2.4663e-05
6.752e-08
d
yr
n .1817447401395149 2.2629e-09 deg/d
Q 3.270751992836792 2.715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      21580 days (59.08 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53633  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:12  

Additional Information
 Earth MOID = 1.91235 au 
 Jupiter MOID = 1.96602 au 
 T_jup = 3.166 
[ 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 MPO439410  
diameter diameter 9.893 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.022   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46459 (4540 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4540 P-L = 1996 FY10 = 1998 SO153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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