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JPL Small-Body Database Browser
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46268 (2001 HJ56)
Classification: Main-belt Asteroid          SPK-ID: 2046268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01294714507848409 4.6061e-08  
a 2.546739914030823 1.7327e-08 au
q 2.5137669028867 1.2049e-07 au
i 8.830196283885185 4.9724e-06 deg
node 266.4430205305822 3.2857e-05 deg
peri 65.35110158765586 0.00021719 deg
M 29.32847112098242 0.00021731 deg
tp 2458479.562150317903
(2018-Dec-27.06215032)
0.00089562 TDB
period 1484.483309953614
4.06
1.5149e-05
4.148e-08
d
yr
n .2425086207343408 2.4749e-09 deg/d
Q 2.579712925174947 1.7551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      9712 days (26.59 yr)  
   first obs. used      1991-12-08  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57928  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:50:29  

Additional Information
 Earth MOID = 1.50803 au 
 Jupiter MOID = 2.49023 au 
 T_jup = 3.426 
[ 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 15.3   n/a MPO359047  
diameter diameter 4.565 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46268 (2001 HJ56)          Discovered 2001-Apr-24 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HJ56 = 1998 QY66 = 2000 AU75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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