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100857 (1998 HZ43)
Classification: Main-belt Asteroid          SPK-ID: 2100857
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480445460805881 4.7165e-08  
a 2.7843668283006 1.5158e-08 au
q 2.372156505082991 1.3525e-07 au
i 8.543722870959355 4.553e-06 deg
node 37.66195154539525 2.7386e-05 deg
peri 119.4993472903219 3.1755e-05 deg
M 308.0773939224098 1.6513e-05 deg
tp 2459245.260924577140
(2021-Jan-30.76092458)
7.8761e-05 TDB
period 1697.024465915632
4.65
1.3858e-05
3.794e-08
d
yr
n .2121360105470027 1.7323e-09 deg/d
Q 3.196577151518209 1.7402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      8250 days (22.59 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:52  

Additional Information
 Earth MOID = 1.39447 au 
 Jupiter MOID = 1.82185 au 
 T_jup = 3.300 
[ 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 15.2   n/a MPO412742  

100857 (1998 HZ43)          Discovered 1998-Apr-20 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
1940-May-19 17:53 00:02 Jupiter 1.95199326419786 1.95199221120289 1.95199431719339 3.36501577270116 3.23349303655955 2429769.245057627 1.88192824858894 123.373021943714 33.249067174105 -77.3652658006052 1611112.5227915 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03
1963-Apr-07 03:37 00:01 Jupiter 1.83069192478372 1.83069147813692 1.83069237143052 2.63540314785082 2.45356719142415 2438126.650879659 1.29120782037767 185.270939061096 13.4436449760737 -86.7315794605515 2094754.02066453 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03
1986-Feb-14 09:22 < 00:01 Jupiter 1.90606210347715 1.90606160226326 1.90606260469105 2.18826786427641 1.97477828639072 2446475.890199171 0.749903452032899 86.2562527028051 25.1684977128031 -89.5333977333036 2438696.23595605 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03
2070-Jun-08 23:11 00:01 Jupiter 1.85433792661556 1.85433739806479 1.85433845516653 2.94776927096733 2.78850960036237 2477271.466077948 1.29611731359455 154.138750813764 14.1983561587048 -85.9667824863925 2042745.29665245 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03
2093-Apr-25 22:54 00:02 Jupiter 1.84268589478676 1.84268536676238 1.84268642281412 2.38715178230947 2.18612876115773 2485628.453907805 1.92783890753087 209.675713946258 24.3290257752359 -81.703683009378 2103083.45095405 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03
2177-Aug-12 19:38 00:04 Jupiter 1.92315792566106 1.92315626453692 1.92315958678662 3.25865804189311 3.12057461388539 2516417.317966601 3.87690618903676 156.67321489291 42.8627628161382 -70.8348241356978 1200508.49931814 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03
2200-Jul-02 23:38 00:04 Jupiter 1.8153712266103 1.81537080156784 1.81537165165276 2.65152150335425 2.46929119419071 2524776.484764024 4.43401230551401 455.946127864955 13.403276748145 -86.1606734071045 2085888.64155819 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 20:03:53 2020-Nov-12 20:03

Alternate Designations
 1998 HZ43 = 2000 SB286 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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