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46267 (2001 HR55)
Classification: Main-belt Asteroid          SPK-ID: 2046267
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532491498866471 5.2585e-08  
a 2.536207554577108 1.0808e-08 au
q 2.147535902902074 1.3672e-07 au
i 11.1218684039587 2.8552e-06 deg
node 160.1344603811388 2.7534e-05 deg
peri 287.4317290509994 2.9648e-05 deg
M 25.61789589109438 1.1386e-05 deg
tp 2458895.517582278502
(2020-Feb-16.01758228)
4.6533e-05 TDB
period 1475.28393980544
4.04
9.4303e-06
2.582e-08
d
yr
n .244020822220485 1.5598e-09 deg/d
Q 2.924879206252142 1.2464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      9728 days (26.63 yr)  
   first obs. used      1993-06-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:21  

Additional Information
 Earth MOID = 1.19399 au 
 Jupiter MOID = 2.32157 au 
 T_jup = 3.406 
[ 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 14.7   n/a MPO452803  
diameter diameter 3.117 km 0.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.417   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46267 (2001 HR55)          Discovered 2001-Apr-24 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HR55 = 2000 AL190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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