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243722 (2000 HX84)
Classification: Main-belt Asteroid          SPK-ID: 2243722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907754032090517 2.6234e-07  
a 2.561075023898518 3.6543e-08 au
q 2.072484903565647 6.981e-07 au
i 12.15695742690484 7.8143e-06 deg
node 229.820421458052 4.6774e-05 deg
peri 295.5153110649039 5.2661e-05 deg
M 347.8534472163391 3.4125e-05 deg
tp 2459051.010587407652
(2020-Jul-20.51058741)
0.00014278 TDB
period 1497.034738219323
4.10
3.2041e-05
8.772e-08
d
yr
n .2404753816389117 5.1469e-09 deg/d
Q 3.04966514423139 4.3515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      7262 days (19.88 yr)  
   first obs. used      2000-03-14  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:24:09  

Additional Information
 Earth MOID = 1.1103 au 
 Jupiter MOID = 2.05758 au 
 T_jup = 3.378 
[ 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 15.9   n/a MPO321239  
diameter diameter 3.641 km 1.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243722 (2000 HX84)          Discovered 2000-Apr-30 by NEAT at Haleakala
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2000 HX84 = 2004 EZ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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