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213392 (2001 UY161)
Classification: Main-belt Asteroid          SPK-ID: 2213392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752985850098678 5.0238e-08  
a 3.048947662867754 2.4944e-08 au
q 2.514471451797893 1.5281e-07 au
i 11.59354881296291 5.7546e-06 deg
node 73.50525198947487 2.3328e-05 deg
peri 334.0171562127588 2.7387e-05 deg
M 260.2657478533655 1.7862e-05 deg
tp 2459935.222625749591
(2022-Dec-21.72262575)
0.0001012 TDB
period 1944.569103347884
5.32
2.3864e-05
6.534e-08
d
yr
n .1851309883409147 2.2719e-09 deg/d
Q 3.583423873937615 2.9317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7166 days (19.62 yr)  
   first obs. used      2001-10-23  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61103  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:34:22  

Additional Information
 Earth MOID = 1.53037 au 
 Jupiter MOID = 1.80843 au 
 T_jup = 3.183 
[ 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 15.54   n/a E2021B55  

213392 (2001 UY161)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
1925-May-16 13:39 00:04 Jupiter 1.96977724359729 1.96977550908384 1.96977897812462 3.36748562963224 3.23727368145958 2424287.068773503 3.60528598278141 285.541948011698 12.3246093107416 74.2724401421824 2854494.11208903 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
1934-Dec-06 23:01 00:03 Jupiter 1.93176308369541 1.93176190804481 1.93176425935622 2.80344397049053 2.64241474049454 2427778.458846868 3.23050528863413 334.171452780218 39.6360683082196 80.804127520101 2336008.98914635 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
1983-May-12 17:13 00:01 Jupiter 1.81782156292134 1.81782107344029 1.81782205240476 3.07889466033718 2.92364206398675 2445467.217284354 1.27184310144704 184.260620387939 14.2499360125383 84.8076587546349 2211237.11255599 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
2031-Oct-15 06:50 < 00:01 Jupiter 1.88736722534705 1.88736676539246 1.88736768530174 3.1988193572448 3.05530274193246 2463154.784717311 0.643596226371802 81.8250465643762 15.1226980507187 80.7148345850051 2688639.07869302 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
2089-Oct-14 18:12 00:03 Jupiter 1.83268976104726 1.83268889330913 1.83269062878538 3.01969173573365 2.86254941237748 2484339.258226584 2.80780158756137 195.208620313517 44.0443665967076 89.7920236136959 2433898.37571698 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
2138-Mar-17 20:26 00:05 Jupiter 1.83091991023255 1.83091912850894 1.83092069198592 3.11295133219439 2.96061200397012 2502024.351481596 4.71655571373458 436.830188793074 14.2575533406707 85.2906069854119 2425208.09238207 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
2186-Sep-02 21:44 00:07 Jupiter 1.99914006064448 1.99913750544839 1.99914261587374 3.1811948994158 3.04509673512736 2519725.405731560 6.97369849812265 439.04209775649 13.0576762492636 74.5607254226933 2937336.79078556 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
2196-Mar-19 12:24 00:07 Jupiter 1.88555310137871 1.88555061858647 1.88555558417696 3.00205924888039 2.84849534491153 2523211.016689652 6.95631017548452 283.166655648149 89.2891801031278 69.8825482028659 1969917.96694972 T 17 CATAB v2.0g-lin.ifort 2021-Jul-09 15:34:23 2021-Jul-09 15:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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