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100874 (1998 HG83)
Classification: Outer Main-belt Asteroid          SPK-ID: 2100874
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779142352951503 4.6203e-08  
a 3.221780644686824 3.0403e-08 au
q 2.648580004998652 1.5178e-07 au
i 6.820120844803455 5.2917e-06 deg
node 81.39222787495997 4.5622e-05 deg
peri 189.8589018522823 4.9674e-05 deg
M 250.176665115528 2.4713e-05 deg
tp 2459644.868802408090
(2022-Mar-06.36880241)
0.00015036 TDB
period 2112.235702102241
5.78
2.9899e-05
8.186e-08
d
yr
n .1704355246157915 2.4125e-09 deg/d
Q 3.794981284374997 3.5812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7957 days (21.79 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:12:32  

Additional Information
 Earth MOID = 1.63272 au 
 Jupiter MOID = 1.31688 au 
 T_jup = 3.153 
[ 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 MPO436470  
diameter diameter 5.964 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100874 (1998 HG83)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1991-Mar-04 08:42 00:02 Jupiter 1.86064894932119 1.86064731381288 1.86065058482939 2.14765246143885 1.92404569939076 2448319.862292530 1.58764655266119 108.762274634886 10.3481339017816 -73.8169563546394 1310529.15730895 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2002-Feb-19 05:00 < 00:01 Jupiter 1.49258068973287 1.49257973470026 1.49258164477439 1.50765887959857 1.06679806472104 2452324.708515394 0.875449822750971 245.745896963349 213.715105755684 64.5857160765767 1375729.48177465 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2013-Apr-14 00:25 < 00:01 Jupiter 1.30232407875521 1.30232359862981 1.30232455888608 1.4527411838063 0.899817130540074 2456396.517209912 0.29582579371809 414.267355581612 193.055361475525 1.09855598213024 1166537.1177373 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2024-Jun-24 15:01 < 00:01 Jupiter 1.33903534233856 1.33903477541787 1.33903590926405 1.4835849509303 0.967419682430741 2460486.125368021 0.635904868002427 337.898262257572 238.553036551259 -20.8440630582853 1173341.12632013 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2035-Jul-02 05:12 00:01 Jupiter 1.60867818831259 1.60867718566179 1.60867919097381 1.90713336507892 1.60751087727083 2464510.716794868 1.33246024108997 290.035621775501 48.6365412297142 -89.4328990076465 1612822.14767672 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2145-Jan-24 16:17 00:04 Jupiter 1.6292656074054 1.62926281452726 1.6292684003367 1.46751510999305 1.05538651985387 2504529.178132862 4.02132174822642 636.727482237002 200.925525850745 75.2044827407084 1319217.26969685 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2156-Feb-24 18:47 00:04 Jupiter 1.37140152600121 1.37139984970052 1.37140320236855 1.37007927026918 0.801156462699929 2508577.282808376 3.76063159479875 673.153021691188 593.404982267023 -81.782767889229 1150255.80009738 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2167-May-07 05:49 00:04 Jupiter 1.31928472072184 1.31928408081347 1.3192853606291 1.47789444250734 0.948740601566599 2512666.742121837 4.18900780463104 377.369832465318 251.648491797273 -22.8391091096987 1127329.26972317 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2178-Jun-13 23:38 00:06 Jupiter 1.49698714420183 1.49698383394739 1.49699045459829 1.77221457244798 1.41743012702841 2516722.484483383 5.83817081250803 875.850744157228 85.5750708624039 88.519336728325 1234515.38017623 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12
2189-May-10 22:32 00:07 Jupiter 1.85667479360934 1.85666980254587 1.85667978471755 2.97387316007203 2.81629428863633 2520706.438784094 7.16088893634165 539.472700147549 28.1127819642214 -72.4272463774548 2042788.87579593 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 01:12:42 2020-Feb-24 01:12

Alternate Designations
 1998 HG83 = 2003 EB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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