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120953 (1998 UQ22)
Classification: Main-belt Asteroid          SPK-ID: 2120953
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314359739672296 3.879e-08  
a 3.151185277589686 2.1852e-08 au
q 2.737006171478491 1.2517e-07 au
i 5.443880479521671 3.5189e-06 deg
node 66.86389534340464 4.9959e-05 deg
peri 312.9306771367347 5.2568e-05 deg
M 320.4763954237221 1.5055e-05 deg
tp 2459224.817615574554
(2021-Jan-10.31761557)
8.5029e-05 TDB
period 2043.192731851898
5.59
2.1253e-05
5.819e-08
d
yr
n .1761948319352649 1.8328e-09 deg/d
Q 3.565364383700882 2.4725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-10-11  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:53:32  

Additional Information
 Earth MOID = 1.7435 au 
 Jupiter MOID = 1.89925 au 
 T_jup = 3.187 
[ 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 14.9   n/a MPO439780  

120953 (1998 UQ22)          Discovered 1998-Oct-28 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
1924-Apr-07 20:22 00:03 Jupiter 1.97227264153259 1.97227209704496 1.97227318602055 3.06350556338468 2.91995477444567 2423883.348654441 2.86891508091892 71.5581307903172 12.2650748622841 79.9111200964547 2820420.08960748 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
1934-Oct-15 04:53 00:02 Jupiter 1.89534777452769 1.89534743273126 1.89534811632411 2.49872055080268 2.31296633345475 2427725.703127588 2.4867295600323 94.8008043123864 10.3250622959034 85.5293406375815 3271069.44067513 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
1945-Apr-18 18:00 00:02 Jupiter 1.9509158478181 1.95091535348446 1.9509163421524 2.4991133243663 2.31888641213084 2431564.249973983 2.13381761689004 120.638831375876 10.8205490978846 87.6830019811818 3160243.99263601 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
2019-Feb-27 22:52 < 00:01 Jupiter 1.94972754563341 1.94972720032953 1.9497278909373 2.9691640223169 2.81905525875996 2458542.452848314 0.266743643735875 53.0953024940424 10.3119665580436 84.0266236453258 3798504.92944674 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
2029-Sep-04 23:25 < 00:01 Jupiter 1.88704525073984 1.88704489955754 1.88704560192215 2.48062102894307 2.29254380592378 2462384.475542403 0.561502212550325 66.3907935820221 10.4872325062795 84.9166688764643 3207240.92383453 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
2040-Mar-10 18:46 < 00:01 Jupiter 1.95956471285599 1.9595642159136 1.9595652097985 2.54895278747161 2.37332248762872 2466224.282188069 0.933928812405983 71.5987418035735 12.1307973488987 84.8277158109454 3203311.67596748 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
2114-Jan-19 20:37 00:03 Jupiter 1.93584795406553 1.93584727848975 1.93584862964187 2.89499111943278 2.7396864045232 2493201.359185359 3.15607853685744 82.5062572000305 11.0305110789177 79.302752165511 2364297.86568258 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
2124-Jul-26 11:02 00:04 Jupiter 1.88698089058394 1.88698051131622 1.8869812698521 2.48244953602713 2.29451552461086 2497041.960041610 3.5118151321682 127.71490682228 10.694250921232 83.5038173077444 3141842.63747976 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53
2135-Jan-30 23:48 00:04 Jupiter 1.97794635358597 1.97794540548267 1.97794730169613 2.63013601707082 2.46194005744705 2500882.491387639 3.93081669957361 219.458889027563 12.9244611305733 83.5099380659924 3258692.36625135 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 17:53:34 2020-Nov-12 17:53

Alternate Designations
 1998 UQ22 = 2004 XX9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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