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120834 (1998 HG146)
Classification: Main-belt Asteroid          SPK-ID: 2120834
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013864481216836 6.0655e-08  
a 2.571694543623669 1.449e-08 au
q 2.053790113829384 1.5227e-07 au
i 4.521543018114028 5.035e-06 deg
node 82.70434325431341 7.2952e-05 deg
peri 173.1955561478545 7.4345e-05 deg
M 102.3916400950052 1.6854e-05 deg
tp 2458572.060503007709
(2019-Mar-29.56050301)
6.9145e-05 TDB
period 1506.355585027383
4.12
1.2731e-05
3.486e-08
d
yr
n .2389873968525537 2.0198e-09 deg/d
Q 3.089598973417953 1.7408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      9136 days (25.01 yr)  
   first obs. used      1995-10-21  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:24  

Additional Information
 Earth MOID = 1.03897 au 
 Jupiter MOID = 1.96769 au 
 T_jup = 3.396 
[ 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 16.4   n/a MPO436583  

120834 (1998 HG146)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1917-Nov-09 02:52 00:02 Jupiter 1.95807919197311 1.9580785846743 1.95807979927182 1.90688465518275 1.66464787315864 2421541.619376477 2.23587655429244 112.519260768501 34.6973952221815 -85.9923551326468 1620372.24380716 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:25 2020-Nov-12 17:54
2000-Mar-16 19:47 < 00:01 Jupiter 1.99517902442019 1.99517857356513 1.99517947527535 2.14706726306969 1.93928560182071 2451620.324116088 0.414230566634882 95.4118003229275 17.4331005204651 -88.8982675509076 2023562.44376966 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:25 2020-Nov-12 17:54
2012-Dec-26 05:43 < 00:01 Jupiter 1.97303382720551 1.9730333458836 1.97303430852741 1.92525354504074 1.68760248023273 2456287.738359701 0.210860608623314 108.651533795808 34.3372889239961 -84.8406586099234 1661340.05444808 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:25 2020-Nov-12 17:54
2095-May-05 14:20 00:02 Jupiter 1.9765853725246 1.97658469245007 1.97658605260114 2.0511021220189 1.83029057027547 2486368.097482071 1.87282937911087 156.68084892329 24.8681224222388 87.1568212454963 1709483.54537465 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:25 2020-Nov-12 17:54
2108-Feb-12 12:20 00:02 Jupiter 1.99875437314441 1.99875380333973 1.99875494294943 1.96978447919921 1.74140762400037 2491033.014060438 2.1768551862779 111.977377417971 29.0546541964797 -79.046717717654 1811265.46502085 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:25 2020-Nov-12 17:54
2190-Jun-23 16:42 00:04 Jupiter 1.95978503584248 1.95978434780696 1.95978572388123 1.96831496448437 1.73489489763741 2521115.195753533 4.08417222423016 190.641472135835 36.6715893066931 83.1920047254458 1544324.51231335 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 17:54:25 2020-Nov-12 17:54

Alternate Designations
 1998 HG146 = 1995 UO64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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