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43307 (2000 HU21)
Classification: Main-belt Asteroid          SPK-ID: 2043307
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187754902040729 3.6976e-08  
a 2.392044590766131 9.0986e-09 au
q 1.94292649294978 8.7242e-08 au
i 1.713964154150662 4.0571e-06 deg
node 236.0172471045642 0.00013268 deg
peri 120.0398636710654 0.00013314 deg
M 90.81383138779616 1.2891e-05 deg
tp 2458859.619756347870
(2020-Jan-11.11975635)
4.7343e-05 TDB
period 1351.30173278052
3.70
7.7099e-06
2.111e-08
d
yr
n .2664097819657512 1.52e-09 deg/d
Q 2.841162688582481 1.0807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1197  
   data-arc span      14622 days (40.03 yr)  
   first obs. used      1981-03-07  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:25:16  

Additional Information
 Earth MOID = .937539 au 
 Jupiter MOID = 2.60796 au 
 T_jup = 3.507 
[ 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 15.16   n/a MPCxxxxx  
diameter diameter 5.615 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43307 (2000 HU21)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 HU21 = 1981 EX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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