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72824 (2001 HG4)
Classification: Main-belt Asteroid          SPK-ID: 2072824
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .245784159201594 5.9396e-08  
a 3.059613460071917 1.7529e-08 au
q 2.307608938306261 1.8272e-07 au
i 13.11575383784461 6.4206e-06 deg
node 229.2284320162197 1.8576e-05 deg
peri 338.0933498725047 2.0156e-05 deg
M 289.861796742109 9.422e-06 deg
tp 2459777.346883999021
(2022-Jul-16.84688400)
5.2948e-05 TDB
period 1954.78172908888
5.35
1.6799e-05
4.599e-08
d
yr
n .1841637839370411 1.5826e-09 deg/d
Q 3.811617981837572 2.1837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:16  

Additional Information
 Earth MOID = 1.30819 au 
 Jupiter MOID = 1.21544 au 
 T_jup = 3.148 
[ 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 14.64   n/a MPCxxxxx  

72824 (2001 HG4)          Discovered 2001-Apr-19 by Broughton, J. at Reedy Creek
Reference: 20031109/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
1928-Oct-03 10:27 00:02 Jupiter 1.21832555134834 1.21832495385452 1.21832614884216 3.21059709107479 2.9862122779777 2425522.935493363 2.37009224325379 870.135314702761 33.066095927325 -89.8081617087583 1810295.11053335 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:17 2021-Apr-13 13:04
1987-Oct-05 03:13 < 00:01 Jupiter 1.2943323676273 1.29433151229356 1.29433322296105 3.2301386610252 3.02075787495751 2447073.634159519 0.782826924972527 216.442019656749 45.5609147511057 88.9013089370478 1616478.89615038 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:17 2021-Apr-13 13:04
2036-Sep-09 21:54 < 00:01 Jupiter 1.7065452531302 1.7065443630471 1.7065461432135 3.30543021640757 3.15169696999298 2464946.412708923 0.698530845160857 269.124191201173 43.7198401355024 -87.8336175318079 2275416.98301448 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:17 2021-Apr-13 13:04
2046-May-30 20:33 00:01 Jupiter 1.65505549675841 1.65505415575667 1.6550568377623 2.71926269788598 2.52405066993382 2468496.356335816 1.35517732163643 269.44151319133 71.6332445909879 76.5870657436024 1262359.74173727 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:17 2021-Apr-13 13:04
2095-Apr-29 08:08 00:02 Jupiter 1.29959935787544 1.29959803106682 1.29960068469972 3.33312682262142 3.13148864523322 2486361.839174114 1.57148254376863 438.576537412751 56.9930254067111 85.5585749472059 1890120.97699506 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:17 2021-Apr-13 13:04
2154-Apr-18 04:15 00:03 Jupiter 1.197211542153 1.1972109395436 1.19721214480357 3.34592004443663 3.12732932708911 2507899.676844440 2.56125054287706 1541.85976894676 31.1555456574858 89.7775258285715 2015330.0304362 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:17 2021-Apr-13 13:04

Alternate Designations
 2001 HG4 = 2002 RH127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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