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58446 (1996 HN22)
Classification: Main-belt Asteroid          SPK-ID: 2058446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351796333026793 4.0634e-08  
a 2.783074340693136 1.1628e-08 au
q 2.128551937794828 1.1209e-07 au
i 8.354342499146597 3.8772e-06 deg
node 51.36080138127732 3.2849e-05 deg
peri 262.9448518206735 3.427e-05 deg
M 41.73364795576139 8.8333e-06 deg
tp 2459003.906350343110
(2020-Jun-03.40635034)
4.1656e-05 TDB
period 1695.842979063372
4.64
1.0628e-05
2.91e-08
d
yr
n .2122838048360061 1.3304e-09 deg/d
Q 3.437596743591444 1.4362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      10864 days (29.74 yr)  
   first obs. used      1991-04-15  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:43:24  

Additional Information
 Earth MOID = 1.13267 au 
 Jupiter MOID = 1.93974 au 
 T_jup = 3.276 
[ 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 14.90   n/a E2021B10  
diameter diameter 5.722 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58446 (1996 HN22)          Discovered 1996-Apr-18 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Jun-17 06:24 00:01 Jupiter 1.93617844846043 1.93617794349228 1.93617895343188 1.38933435913487 1.02728153303628 2430892.766699261 1.45665644919388 220.15954394595 108.306190408213 -53.9616404327652 2110787.8948993 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:26 2021-Feb-24 05:43
1966-Apr-21 21:54 < 00:01 Jupiter 1.96088987806504 1.96088949612898 1.96089026000132 2.2066218596391 2.00131546156135 2439237.412500771 0.971675117239351 73.8343602492477 14.684406880446 -73.1205864668243 2207344.6073302 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:26 2021-Feb-24 05:43
2050-Aug-30 06:57 < 00:01 Jupiter 1.97270987170255 1.97270941941981 1.97271032398474 1.33450202398671 0.960289317209497 2470048.789552481 0.724143506813305 193.109578479456 149.701048681206 -59.2389517607649 1903376.86220224 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:26 2021-Feb-24 05:43
2073-Jul-02 04:44 00:01 Jupiter 1.93930594458254 1.93930550648929 1.93930638267558 1.70036148951804 1.42045682491527 2478390.696921258 1.17822106699469 110.92043474341 50.1330912636945 -41.6222725259259 1548141.3363444 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:26 2021-Feb-24 05:43
2180-Sep-14 12:16 00:03 Jupiter 1.94155743608998 1.9415570422834 1.94155782989788 1.36039521750049 0.989017956929893 2517546.010838118 3.3113954830853 483.922609171176 102.602914294006 -50.7078157512854 2147964.37163244 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 05:43:26 2021-Feb-24 05:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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