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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05884317726683921 4.0363e-08  
a 3.086047627809116 2.2542e-08 au
q 2.904454780192036 1.1915e-07 au
i 15.75645325443688 4.251e-06 deg
node 175.8127174013655 1.3848e-05 deg
peri 132.4504759342142 3.7755e-05 deg
M 125.9036309031038 3.4504e-05 deg
tp 2458703.970755980252
(2019-Aug-08.47075598)
0.00018986 TDB
period 1980.169484063411
5.42
2.1697e-05
5.94e-08
d
yr
n .1818026198753761 1.992e-09 deg/d
Q 3.267640475426197 2.3869e-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 = 1.91389 au 
 Jupiter MOID = 1.96378 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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