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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01319656076251815 3.8943e-08  
a 2.547440709681867 1.2022e-08 au
q 2.513823253567638 9.6573e-08 au
i 8.82936932629481 3.9825e-06 deg
node 266.4401216597578 2.6035e-05 deg
peri 66.91988189853929 0.00018531 deg
M 173.1993754950391 0.00018515 deg
tp 2458486.006347205898
(2019-Jan-02.50634721)
0.00076219 TDB
period 1485.096088081703
4.07
1.0513e-05
2.878e-08
d
yr
n .2424085571897314 1.716e-09 deg/d
Q 2.581058165796096 1.2181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      10698 days (29.29 yr)  
   first obs. used      1991-12-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:38:08  

Additional Information
 Earth MOID = 1.50752 au 
 Jupiter MOID = 2.48903 au 
 T_jup = 3.425 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.35   n/a MPCxxxxx  
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

Alternate Designations
 2001 HJ56 = 1998 QY66 = 2000 AU75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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