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JPL Small-Body Database Browser
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56546 (2000 HF66)
Classification: Main-belt Asteroid          SPK-ID: 2056546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104486835818076 3.8354e-08  
a 2.307863522143997 8.5436e-09 au
q 2.066722165215211 8.8765e-08 au
i 3.440951668936884 4.2592e-06 deg
node 244.1752741675324 6.8442e-05 deg
peri 340.2193484059685 7.1362e-05 deg
M 265.3204963488297 2.1037e-05 deg
tp 2459337.296122456568
(2021-May-02.79612246)
7.5531e-05 TDB
period 1280.600334905389
3.51
7.1111e-06
1.947e-08
d
yr
n .2811181523129908 1.561e-09 deg/d
Q 2.549004879072784 9.4363e-09 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      9201 days (25.19 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:20:49  

Additional Information
 Earth MOID = 1.05776 au 
 Jupiter MOID = 2.43233 au 
 T_jup = 3.577 
[ 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 15.8   n/a MPO302371  
diameter diameter 1.591 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56546 (2000 HF66)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HF66 = 2001 TG91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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