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72822 (2001 HF3)
Classification: Main-belt Asteroid          SPK-ID: 2072822
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08335915991567118 4.1198e-08  
a 3.04930499369386 2.0046e-08 au
q 2.795117491092879 1.296e-07 au
i 9.634400967265158 5.2304e-06 deg
node 36.91715271662694 2.2295e-05 deg
peri 129.6272017766263 3.5806e-05 deg
M 292.0964384476016 2.831e-05 deg
tp 2459567.351059143641
(2021-Dec-18.85105914)
0.00015356 TDB
period 1944.91096302512
5.32
1.9179e-05
5.251e-08
d
yr
n .1850984476122521 1.8253e-09 deg/d
Q 3.303492496294841 2.1717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53977  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:15  

Additional Information
 Earth MOID = 1.81163 au 
 Jupiter MOID = 1.68794 au 
 T_jup = 3.211 
[ 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 14.34   n/a MPCxxxxx  
diameter diameter 9.685 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.020   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

72822 (2001 HF3)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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