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JPL Small-Body Database Browser
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58839 (1998 HZ50)
Classification: Main-belt Asteroid          SPK-ID: 2058839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .177789510653941 3.9212e-08  
a 2.801257110247692 1.5712e-08 au
q 2.303222979400882 1.1395e-07 au
i 6.742928125999536 5.1339e-06 deg
node 225.6568305246108 3.655e-05 deg
peri 255.192422952365 3.9937e-05 deg
M 327.7802387657271 1.8105e-05 deg
tp 2459153.766662946146
(2020-Oct-31.26666295)
8.6791e-05 TDB
period 1712.489371334026
4.69
1.4407e-05
3.944e-08
d
yr
n .2102202828386378 1.7686e-09 deg/d
Q 3.299291241094502 1.8505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      7931 days (21.71 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:44:38  

Additional Information
 Earth MOID = 1.33025 au 
 Jupiter MOID = 1.86251 au 
 T_jup = 3.292 
[ 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 14.7   n/a MPO449378  
diameter diameter 6.959 km 2.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.034   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

58839 (1998 HZ50)          Discovered 1998-Apr-25 by LONEOS at Anderson Mesa
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
1962-Dec-06 22:13 00:02 Jupiter 1.95051170441705 1.95051093234251 1.95051247649192 2.42101509599311 2.23445764379017 2438005.425411121 1.49361092119369 102.030520173907 13.7942699552874 -87.379664888635 1558845.01591571 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45
1986-Feb-08 01:38 < 00:01 Jupiter 1.88431662636592 1.88431611865919 1.88431713407221 1.78479107190489 1.51210304399208 2446469.568356222 0.843398260668912 71.9912768685063 43.4555507291147 -72.5121490098387 1715931.45812831 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45
2009-Apr-18 12:20 < 00:01 Jupiter 1.86556298167149 1.86556253572325 1.86556342761994 1.61687949036287 1.30623055479433 2454940.014004276 0.264239938780151 74.3416502070907 57.8533898259735 54.0390601511697 2525345.07367696 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45
2032-Jun-26 19:17 < 00:01 Jupiter 1.91359545147168 1.91359503831918 1.91359586462439 1.91692462977117 1.67012931375424 2463410.303358841 0.492188398824181 84.3752383045429 32.2295660029635 83.2125625433147 2841537.8617357 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45
2141-Mar-03 15:30 00:03 Jupiter 1.97611300981318 1.97611192255201 1.97611409707861 2.81802673425246 2.6615810083645 2503106.146121106 2.88812925921733 185.032504109265 14.7739091338709 86.9626268566628 1766979.33209782 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45
2164-May-06 09:22 00:03 Jupiter 1.89384522945296 1.89384444011245 1.89384601879521 2.04129627110038 1.80897490756262 2511570.890310821 3.40164134685427 195.40239168044 34.0466375775719 -67.9796600995661 1330559.89665878 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45
2187-Jul-15 11:44 00:04 Jupiter 1.85605485643926 1.85605440362939 1.85605530924914 1.60362701965736 1.28798556459129 2520040.988809769 3.98759163977452 188.977492026941 69.7792874714723 -53.4769363678552 1633089.11738917 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:45:07 2020-Jan-29 09:45

Alternate Designations
 1998 HZ50 = 2000 SC282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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