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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05895512156548125 4.0368e-08  
a 3.085354500405255 2.255e-08 au
q 2.903457050761259 1.1914e-07 au
i 15.75705232611808 4.2512e-06 deg
node 175.8177199433246 1.3849e-05 deg
peri 132.2480504400484 3.7689e-05 deg
M 90.45872887573123 3.444e-05 deg
tp 2458703.102024907153
(2019-Aug-07.60202491)
0.00018945 TDB
period 1979.502401359357
5.42
2.1701e-05
5.941e-08
d
yr
n .1818638864761073 1.9938e-09 deg/d
Q 3.267251950049252 2.3879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      22045 days (60.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:17  

Additional Information
 Earth MOID = 1.91186 au 
 Jupiter MOID = 1.96502 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 15.12   n/a MPCxxxxx  
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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