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305972 (2009 HG76)
Classification: Main-belt Asteroid          SPK-ID: 2305972
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04910186430640252 7.9295e-08  
a 3.054163943300396 3.6924e-08 au
q 2.904198799786953 2.4444e-07 au
i 2.9139562017341 7.0683e-06 deg
node 94.24245993647374 0.0001473 deg
peri 146.9418508354347 0.00016139 deg
M 30.96666015345157 6.2786e-05 deg
tp 2459032.801641126598
(2020-Jul-02.30164113)		 0.000341 TDB
period 1949.561525048597
5.34		 3.5354e-05
9.679e-08		 d
yr
n .1846569063733581 3.3486e-09 deg/d
Q 3.204129086813839 3.8737e-08 au
   Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      9014 days (24.68 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:09:52  

Additional Information
 Earth MOID = 1.89032 au 
 Jupiter MOID = 1.78528 au 
 T_jup = 3.232 
[ 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 16.73   n/a E2021B25  

305972 (2009 HG76)          Discovered 2009-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1905-Oct-29 05:06 00:06 Jupiter 1.83261159572881 1.83260998486895 1.83261320658878 2.79898912259687 2.62867868653257 2417147.712663342 6.1260529120425 106.575348811888 37.5215275579312 66.3064234593065 1257196.93700725 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
1915-Apr-22 20:39 00:06 Jupiter 1.90713945397859 1.90713790149562 1.90714100647196 3.23438255140209 3.09402094228662 2420610.360528956 5.52953264811019 267.90804040819 25.5148493798327 -78.674445627505 2132415.61280377 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
1954-Apr-29 11:34 00:03 Jupiter 1.99727244872415 1.99727108256388 1.99727381488442 3.31799399851996 3.1876174381846 2434861.982290353 3.34229433007829 81.5707660748985 40.4571307049977 -57.2602246880962 1606619.23469096 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
1963-Oct-27 20:39 00:03 Jupiter 1.78793074528856 1.78793004428774 1.78793144628919 2.72560759203378 2.54586872561474 2438330.360304561 2.94852219529043 165.659151963055 15.5533938310198 -89.7147858543218 1705270.7826592 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2012-May-05 22:36 < 00:01 Jupiter 1.79918976216702 1.79918899056858 1.79919053376514 2.69776186107677 2.51721256631537 2456053.441946394 0.403071068598502 70.8040969585015 17.5168741065585 -86.2156071450416 1554136.11515572 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2021-Nov-01 03:47 < 00:01 Jupiter 1.95814602648792 1.95814536626816 1.95814668670757 3.46039512491971 3.33304776490266 2459519.657314945 0.472206912550154 73.7989275893151 25.4287035966828 -88.4303086710888 2338231.94931055 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2060-Nov-07 11:13 00:02 Jupiter 1.93778100434263 1.93777993885022 1.93778206983482 3.10889364442856 2.96496216864855 2473770.967529769 2.44327810266511 60.5024499132601 35.3130612024616 -71.069651643495 1543663.04182004 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2070-May-05 00:56 00:03 Jupiter 1.81054128406078 1.81054027861013 1.81054228951432 2.83847604215858 2.6685744453396 2477236.539207289 3.04430743967962 183.804626859852 19.7986157415709 -83.4228628462165 1756912.70389876 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2118-Nov-13 04:39 00:06 Jupiter 1.78297729753345 1.78297648890945 1.78297810615775 2.65623005394618 2.47091817304257 2494959.693744975 5.76215315210435 194.403406247329 17.794752381894 87.0960643736909 1537839.2512501 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2167-May-20 18:53 00:08 Jupiter 1.89062211722318 1.89061960147834 1.89062463296662 2.94861198899973 2.79254140113625 2512680.286479708 8.31886235085613 98.9781211529325 50.1236358704991 -22.6825155025038 796859.028428955 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
2176-Nov-12 09:47 00:09 Jupiter 1.85132996403706 1.85132747719067 1.8513324509245 3.01471350195575 2.85892555082152 2516143.907812286 8.91443720617498 483.344236468361 22.3816223081261 -80.3492426268407 1928687.43000677 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:09:52 2020-Nov-11 19:09
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