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120943 (1998 TN22)
Classification: Outer Main-belt Asteroid          SPK-ID: 2120943
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09128176457235754 4.0021e-08  
a 3.211695973627813 2.9655e-08 au
q 2.91852669788513 1.4067e-07 au
i 3.617000595149824 4.3589e-06 deg
node 209.3512742274935 7.2708e-05 deg
peri 247.2631756494644 7.9259e-05 deg
M 249.8387560069405 3.5557e-05 deg
tp 2459843.819030126088
(2022-Sep-21.31903013)
0.00021179 TDB
period 2102.326030922301
5.76
2.9118e-05
7.972e-08
d
yr
n .1712389014381686 2.3717e-09 deg/d
Q 3.504865249370495 3.2362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:52  

Additional Information
 Earth MOID = 1.93761 au 
 Jupiter MOID = 1.6608 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09019665249373372 3.9061e-08  
q 2.923834718611459 1.378e-07 au
tp 2457707.842544281396
(2016-Nov-15.34254428)
0.0002022 TDB
node 209.9018873311409 7.2124e-05 deg
peri 241.8363824534166 7.9145e-05 deg
i 3.628474084951305 4.3731e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52375  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:52  

Additional Information
 Jupiter MOID = 1.6608 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.525784211514097E-15 -5.294609323660571E-15 -7.308068874726274E-13 -3.28356306893093E-15 -4.594895580752315E-14 6.834880754082195E-16
q -5.294609323660571E-15 1.898943283823591E-14 4.679189225809333E-12 6.475039058580826E-15 4.824814456073648E-13 -9.283099875963478E-16
tp -7.308068874726274E-13 4.679189225809333E-12 4.088462720168305E-8 -3.89178156617862E-11 6.612448111232291E-9 4.644200059921151E-12
node -3.28356306893093E-15 6.475039058580826E-15 -3.89178156617862E-11 5.201837830974979E-9 -5.19736340997142E-9 -9.003158671020679E-11
peri -4.594895580752315E-14 4.824814456073648E-13 6.612448111232291E-9 -5.19736340997142E-9 6.26390558523063E-9 9.059881076227154E-11
i 6.834880754082195E-16 -9.283099875963478E-16 4.644200059921151E-12 -9.003158671020679E-11 9.059881076227154E-11 1.912385880386839E-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 15.12   n/a E2021B55  

120943 (1998 TN22)          Discovered 1998-Oct-13 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
1975-May-07 19:04 00:02 Jupiter 1.8935326940074 1.89353169938309 1.89353368863332 3.64660022848579 3.52179575502777 2442540.294677936 2.05643440426608 116.329479807761 19.5906704525728 73.2369831700525 2913838.57589237 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
1986-May-20 07:53 00:02 Jupiter 1.76773824352038 1.76773753413494 1.76773895290613 2.77845566796975 2.6002891679754 2446570.828304310 1.54503289304984 82.7932315397135 14.64419531565 83.8836317424423 2329278.72503049 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
1997-Jun-15 07:06 < 00:01 Jupiter 1.70124204953418 1.701241557152 1.70124254191617 2.26436214053563 2.0326254839746 2450614.795670267 0.958549669233255 53.7516266579774 5.533933703789 -83.5179460303313 2371986.97760615 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2008-Jul-24 11:00 < 00:01 Jupiter 1.70346431193967 1.70346390802474 1.70346471585461 2.17904887796435 1.93746832310319 2454671.958657111 0.408247796291161 48.3597871834208 11.036072548782 -80.2771908423812 2791661.06224489 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2019-Sep-09 17:32 < 00:01 Jupiter 1.77975600135947 1.77975564210674 1.7797563606122 2.43215366415127 2.22789817608556 2458736.230329346 0.300696245668141 51.0260686798567 9.93184168643209 -83.4799713946926 3254327.93035326 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2030-Oct-24 16:09 < 00:01 Jupiter 1.91203216316179 1.91203176039998 1.91203256592359 2.88772439182141 2.73001103591875 2462799.172606866 0.738384475671428 55.7347104011869 14.1235957550138 88.1249887832625 3557085.18161478 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2141-Jul-12 11:48 00:05 Jupiter 1.84579606008078 1.84579459374536 1.84579752642607 3.45024650011277 3.31457619064309 2503236.991573055 4.62780761073575 243.940042712568 19.4148533051318 78.5950667265436 2732934.68202993 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2152-Jul-29 21:19 00:05 Jupiter 1.72144715817487 1.72144613547224 1.72144818088563 2.63264811246051 2.43859676154106 2507272.388292182 4.95334835773385 237.931724856513 12.8673544897842 89.8255029574443 2228797.77730561 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2163-Aug-29 01:32 00:05 Jupiter 1.67199074346772 1.67199027720873 1.67199120972652 2.16885388388916 1.92112902703252 2511319.563833049 5.27589454508918 192.657163828832 5.03703247037617 -79.7198747956385 2344243.76408659 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2174-Oct-08 09:01 00:06 Jupiter 1.69825529732574 1.69825435620884 1.69825623844322 2.1395954988402 1.89218077239396 2515377.875478213 5.69585758613313 86.1115648669424 8.91108233694334 -76.9663016527725 2406028.28326246 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2185-Nov-19 21:50 00:06 Jupiter 1.79429959821583 1.79429772999115 1.79430146644072 2.46479473507617 2.26519028324227 2519438.409791288 6.22208391943015 118.764898346468 25.5485064501938 70.3858359738396 1682804.62555885 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08
2196-Dec-31 18:02 00:07 Jupiter 1.94280297861478 1.94280042022559 1.9428055370127 3.00593911486265 2.85722080268276 2523498.251045223 6.75687923520272 254.724272036497 23.305118357521 68.9029685233376 2549766.13054336 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 17:08:53 2021-Apr-13 17:08

Alternate Designations
 1998 TN22 = 2000 CD35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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