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46291 (2001 KN54)
Classification: Main-belt Asteroid          SPK-ID: 2046291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03384062916605921 5.3537e-08  
a 2.965018762795455 2.2574e-08 au
q 2.864680662373287 1.6548e-07 au
i 9.661832040264397 8.1558e-06 deg
node 179.9699824678204 2.543e-05 deg
peri 70.19871952526988 0.00011966 deg
M 235.7267626480938 0.00011908 deg
tp 2459644.246242331348
(2022-Mar-05.74624233)
0.00061957 TDB
period 1864.831496929941
5.11
2.1296e-05
5.831e-08
d
yr
n .1930469324400974 2.2046e-09 deg/d
Q 3.065356863217624 2.3338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      15756 days (43.14 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:47:57  

Additional Information
 Earth MOID = 1.87011 au 
 Jupiter MOID = 1.93379 au 
 T_jup = 3.242 
[ 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 14.5   n/a MPO272850  
diameter diameter 4.139 km 1.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46291 (2001 KN54)          Discovered 2001-May-17 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KN54 = 1977 RB11 = 1998 UW28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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