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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0590257308108878 4.641e-08  
a 3.084901796322453 2.528e-08 au
q 2.902813213314699 1.4376e-07 au
i 15.75791704366819 4.9673e-06 deg
node 175.8194764581545 1.6078e-05 deg
peri 132.0771301993686 3.9428e-05 deg
M 54.23852017375199 3.5102e-05 deg
tp 2458702.328745120792
(2019-Aug-06.82874512)
0.00019313 TDB
period 1979.06674836718
5.42
2.4327e-05
6.66e-08
d
yr
n .1819039202679831 2.236e-09 deg/d
Q 3.266990379330207 2.6772e-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 = 1.91324 au 
 Jupiter MOID = 1.96618 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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