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192483 (1998 HS2)
Classification: Main-belt Asteroid          SPK-ID: 2192483
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965480748465196 9.1603e-08  
a 2.557713616905681 1.7101e-08 au
q 2.054999929494141 2.4278e-07 au
i 4.093595168351099 9.7268e-06 deg
node 160.7853669731439 5.1789e-05 deg
peri 332.9757542212 5.5793e-05 deg
M 306.6066580702877 1.6991e-05 deg
tp 2459618.095483281111
(2022-Feb-07.59548328)
7.0282e-05 TDB
period 1494.088421852596
4.09
1.4984e-05
4.102e-08
d
yr
n .2409495949065837 2.4165e-09 deg/d
Q 3.060427304317221 2.0462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:18  

Additional Information
 Earth MOID = 1.07072 au 
 Jupiter MOID = 1.98637 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457632.5 (2016-Sep-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942393459169435 9.1435e-08  
q 2.062691959144851 2.4204e-07 au
tp 2458121.809967558937
(2018-Jan-03.30996756)
7.5585e-05 TDB
node 160.9276123064785 5.187e-05 deg
peri 332.6231770366184 5.6078e-05 deg
i 4.089200763905 9.7195e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:18  

Additional Information
 Jupiter MOID = 1.98637 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.36040343239418E-15 -2.210726464969891E-14 5.550183610445113E-12 -5.18595792136289E-14 1.649461742284037E-12 -6.394090002293591E-15
q -2.210726464969891E-14 5.858200254206438E-14 -1.448814212207206E-11 1.373758813432668E-13 -4.331030068987712E-12 1.739643926252057E-14
tp 5.550183610445113E-12 -1.448814212207206E-11 5.713167572884662E-9 -4.149636338341356E-11 1.609558072018424E-9 -5.301308496611919E-12
node -5.18595792136289E-14 1.373758813432668E-13 -4.149636338341356E-11 2.690484212288972E-9 -2.694962034425877E-9 1.944745938993649E-10
peri 1.649461742284037E-12 -4.331030068987712E-12 1.609558072018424E-9 -2.694962034425877E-9 3.144733682820165E-9 -1.95564745814143E-10
i -6.394090002293591E-15 1.739643926252057E-14 -5.301308496611919E-12 1.944745938993649E-10 -1.95564745814143E-10 9.446822549273705E-11

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 16.13   n/a MPCxxxxx  

192483 (1998 HS2)          Discovered 1998-Apr-20 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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
1938-May-06 09:02 00:02 Jupiter 1.99343193772547 1.99343092310772 1.99343295234275 1.90243105148007 1.66416062358385 2429024.876666121 2.1754668545791 144.0857799594 48.3632332217668 78.3473592586552 1143369.78871419 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:20 2021-Apr-13 22:16
1950-Nov-19 03:19 00:02 Jupiter 1.99264631791707 1.99264558921128 1.99264704662228 2.15644101349063 1.94938181819538 2433604.638181328 1.78472808594865 133.724198735161 34.5296623450725 83.5301336173049 1111006.26962 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:20 2021-Apr-13 22:16
2069-Jun-15 10:43 00:02 Jupiter 1.9798453919321 1.97984437448087 1.97984640938399 2.09149383886571 1.87582018621048 2476912.946621902 1.69594177327276 147.638106576267 51.5194528038648 -84.9614512664623 902064.375305261 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:20 2021-Apr-13 22:16
2188-Jan-12 10:29 00:05 Jupiter 1.96943929670008 1.96943814318995 1.96944045022566 2.04063510946573 1.81769785651191 2520221.936694173 5.15640470440803 383.666417936085 58.4837602667739 -81.4229209418078 959256.855648591 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 22:16:20 2021-Apr-13 22:16

Alternate Designations
 1998 HS2 = 2002 JR42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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