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120696 (1997 HH)
Classification: Main-belt Asteroid          SPK-ID: 2120696
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805722868176457 5.2936e-08  
a 3.133626361111708 2.803e-08 au
q 2.567780283053709 1.7717e-07 au
i 1.276844787118199 6.6177e-06 deg
node 42.58403829529585 0.00022245 deg
peri 282.2370665960235 0.00022322 deg
M 4.500589078193717 1.639e-05 deg
tp 2459175.169946562273
(2020-Nov-21.66994656)
9.2211e-05 TDB
period 2026.139040723411
5.55
2.7185e-05
7.443e-08
d
yr
n .1776778359058053 2.384e-09 deg/d
Q 3.699472439169706 3.3091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:43  

Additional Information
 Earth MOID = 1.55424 au 
 Jupiter MOID = 1.64024 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456752.5 (2014-Apr-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808379294141003 5.3206e-08  
q 2.565606532911989 1.782e-07 au
tp 2457156.331857209852
(2015-May-13.83185721)
9.3891e-05 TDB
node 42.67434815689751 0.00022188 deg
peri 283.2209263397596 0.00022265 deg
i 1.278904881353478 6.6245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9805 days (26.84 yr)  
   first obs. used      1993-10-11  
   last obs. used      2020-08-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:43  

Additional Information
 Jupiter MOID = 1.64024 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.830920592398344E-15 -9.420526419453367E-15 2.335967038814586E-12 -1.154021936395984E-14 4.66834724201503E-13 -5.585692844714632E-16
q -9.420526419453367E-15 3.175450459153655E-14 -7.79766670019011E-12 3.792817500128881E-14 -1.576471956481012E-12 2.012936651086988E-15
tp 2.335967038814586E-12 -7.79766670019011E-12 8.815529568718547E-9 -3.233007441053556E-11 1.757612013851835E-9 -3.583898117492591E-13
node -1.154021936395984E-14 3.792817500128881E-14 -3.233007441053556E-11 4.923192718791705E-8 -4.922548692032704E-8 -5.01277529913906E-10
peri 4.66834724201503E-13 -1.576471956481012E-12 1.757612013851835E-9 -4.922548692032704E-8 4.957192391799282E-8 5.010666191960329E-10
i -5.585692844714632E-16 2.012936651086988E-15 -3.583898117492591E-13 -5.01277529913906E-10 5.010666191960329E-10 4.388350586247097E-11

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 15.75   n/a E2021B55  

120696 (1997 HH)          Discovered 1997-Apr-28 by Spacewatch at Kitt Peak
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
1968-Feb-08 05:16 00:02 Jupiter 1.72329665974656 1.72329601940742 1.72329730008502 1.67304708451684 1.34761299307865 2439894.719664687 2.00548419627422 141.107217168233 57.5976573326064 -83.3323235662778 1698713.16935629 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
1978-Jul-02 11:33 00:02 Jupiter 1.68951752749139 1.68951703300739 1.68951802197492 1.82271619954807 1.52302809825461 2443691.981374062 1.49988908729959 85.5001482192415 39.6489540329773 -73.7367967089828 1758253.36613663 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
1988-Nov-14 09:58 < 00:01 Jupiter 1.94521531964245 1.94521467029498 1.94521596898991 3.40325807992614 3.27281036173921 2447479.915255778 0.975352382550637 49.6144034911053 22.9904887995049 -81.4647384209918 2223347.3874841 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
2052-Jan-19 22:36 00:02 Jupiter 1.86914026925416 1.86913922915485 1.86914130935252 2.10847054837658 1.88130936933715 2470556.441361581 1.60760332169495 89.9376553284182 9.52661960860808 86.6861875635232 1159064.345704 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
2062-Jun-17 13:35 00:02 Jupiter 1.66997881636192 1.66997832899066 1.66997930373252 1.57833192525931 1.2152039259958 2474358.066031195 2.16233480783666 138.281850399416 77.7769595920947 -84.8027115020306 1872687.33548193 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
2072-Nov-04 11:35 00:03 Jupiter 1.78834474634523 1.7883435914615 1.78834590122795 2.37353836194553 2.16481281558413 2478150.982592760 2.76433011455949 63.8069020721892 8.02491871586122 -85.9223543072817 949798.061839626 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
2146-Jun-02 22:28 00:06 Jupiter 1.75560949316391 1.75560762495385 1.75561136137337 1.74023324204028 1.43648147527161 2505023.436245756 5.74045544166297 212.175120544409 59.1277353767894 72.273120717763 987892.887209631 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
2156-Oct-28 07:54 00:06 Jupiter 1.6934029507592 1.69340196985374 1.69340393166842 1.76197290641355 1.45057552800283 2508823.828927800 6.40768029601764 235.024713171435 45.0028365676286 -63.556187027144 1648357.80627033 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07
2167-Mar-14 17:37 00:07 Jupiter 1.92303821439542 1.92303524633194 1.92304118245868 3.17231008327934 3.03028548510974 2512613.234241266 6.88551623518465 160.546487978626 30.9726144337803 -56.951093003796 986089.880802678 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:44 2021-Apr-13 17:07

Alternate Designations
 1997 HH = 1999 VG110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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