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72868 (2001 HE59)
Classification: Main-belt Asteroid          SPK-ID: 2072868
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611772475738573 4.3212e-08  
a 3.062813397359939 2.5946e-08 au
q 2.569157564141129 1.361e-07 au
i 7.942605450826843 4.7416e-06 deg
node 263.6419741376902 3.6013e-05 deg
peri 305.1932846592692 3.9139e-05 deg
M 246.6823558231004 1.8322e-05 deg
tp 2459816.774602768679
(2022-Aug-25.27460277)
0.0001035 TDB
period 1957.849182342526
5.36
2.4878e-05
6.811e-08
d
yr
n .1838752459825672 2.3365e-09 deg/d
Q 3.556469230578749 3.0128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      2000-01-05  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:30  

Additional Information
 Earth MOID = 1.57273 au 
 Jupiter MOID = 1.51178 au 
 T_jup = 3.199 
[ 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 14.80   n/a MPCxxxxx  
diameter diameter 5.021 km 1.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72868 (2001 HE59)          Discovered 2001-Apr-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HE59 = 2000 AC122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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