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46278 (2001 KM)
Classification: Main-belt Asteroid          SPK-ID: 2046278
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06960428649725181 4.9632e-08  
a 3.191970896418315 2.5285e-08 au
q 2.969796039653124 1.6084e-07 au
i 15.80525380250886 5.0715e-06 deg
node 229.2770841972115 1.7629e-05 deg
peri 308.258830728162 3.9379e-05 deg
M 204.8604414414709 3.8596e-05 deg
tp 2460098.149641583450
(2023-Jun-02.64964158)
0.00022796 TDB
period 2082.988207344464
5.70
2.4751e-05
6.776e-08
d
yr
n .1728286308730248 2.0536e-09 deg/d
Q 3.414145753183504 2.7045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1998-11-23  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:33  

Additional Information
 Earth MOID = 1.99466 au 
 Jupiter MOID = 1.64841 au 
 T_jup = 3.134 
[ 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 14.20   n/a MPCxxxxx  
diameter diameter 9.263 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46278 (2001 KM)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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