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46457 (4166 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2046457
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009703671046364328 3.7446e-08  
a 3.052029656991955 2.0153e-08 au
q 3.022413765176756 1.1163e-07 au
i 9.223356998652298 4.2225e-06 deg
node 204.2925931227818 2.5154e-05 deg
peri 200.5950080811548 0.00023523 deg
M 67.25193637116247 0.00023226 deg
tp 2458836.682283560908
(2019-Dec-19.18228356)
0.0012571 TDB
period 1947.518316725148
5.33
1.929e-05
5.281e-08
d
yr
n .1848506362730177 1.8309e-09 deg/d
Q 3.081645548807153 2.0349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      22076 days (60.44 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:16  

Additional Information
 Earth MOID = 2.02677 au 
 Jupiter MOID = 1.93486 au 
 T_jup = 3.217 
[ 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 14.48   n/a MPCxxxxx  
diameter diameter 5.569 km 0.981 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46457 (4166 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
 4166 P-L = 2001 KL37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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