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46260 (2001 HC46)
Classification: Main-belt Asteroid          SPK-ID: 2046260
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04936292131219631 4.4302e-08  
a 3.187209778967593 2.3445e-08 au
q 3.029879793442953 1.4565e-07 au
i 11.40472645750241 3.5229e-06 deg
node 90.66676872174418 2.6916e-05 deg
peri 297.0514366397506 5.433e-05 deg
M 349.9585227337688 4.5108e-05 deg
tp 2459258.470828783010
(2021-Feb-12.97082878)
0.00026024 TDB
period 2078.329493616073
5.69
2.2932e-05
6.278e-08
d
yr
n .173216037738866 1.9113e-09 deg/d
Q 3.344539764492232 2.4603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-12-08  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:25  

Additional Information
 Earth MOID = 2.05669 au 
 Jupiter MOID = 1.97786 au 
 T_jup = 3.165 
[ 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 13.76   n/a E2021B10  
diameter diameter 8.060 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46260 (2001 HC46)          Discovered 2001-Apr-17 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HC46 = 1998 XL15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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