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20622 (1999 TQ11)
Classification: Main-belt Asteroid          SPK-ID: 2020622
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146572816243722 3.8011e-08  
a 3.196672743036144 1.8791e-08 au
q 2.728127416479792 1.2448e-07 au
i 6.411603639585554 4.1246e-06 deg
node 96.61485090938352 3.4746e-05 deg
peri 290.9565014918199 3.7139e-05 deg
M 265.8070933599849 1.5726e-05 deg
tp 2459746.712194511526
(2022-Jun-16.21219451)
9.3697e-05 TDB
period 2087.592336179317
5.72
1.8408e-05
5.04e-08
d
yr
n .172447461968972 1.5206e-09 deg/d
Q 3.665218069592495 2.1546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1700  
   data-arc span      9398 days (25.73 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:25:10  

Additional Information
 Earth MOID = 1.74037 au 
 Jupiter MOID = 1.80941 au 
 T_jup = 3.169 
[ 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 13.33   n/a E2021B10  
diameter diameter 12.337 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20622 (1999 TQ11)          Discovered 1999-Oct-08 by Klet at Klet
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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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
1910-Nov-04 19:42 00:03 Jupiter 1.89085386667589 1.89085339890684 1.89085433444591 2.35369937241881 2.15499080646341 2418980.321117738 2.72817773774627 160.547016885425 11.1578501885002 86.5722222275242 3202595.17546107 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
1922-Jan-03 12:56 00:02 Jupiter 1.93664074356168 1.93664021112877 1.9366412759957 2.47451793265053 2.29096164259722 2423058.038965023 2.32895701084164 142.575461650786 11.871258307147 89.3330453033836 3448700.83638674 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
2043-Oct-22 06:06 < 00:01 Jupiter 1.92481440063507 1.92481407471099 1.92481472655915 3.33267447511409 3.19790727086164 2467544.754315153 0.849975931929982 46.8105294608584 12.6285350586799 88.4150235589418 4077829.92929831 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
2054-Dec-07 12:26 00:01 Jupiter 1.86620067734373 1.86620031882053 1.86620103586693 2.87733354601713 2.71501337154623 2471609.018383097 1.19966917030154 53.7332951917232 13.4373876987917 87.3520173012502 3284943.58669849 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
2066-Feb-03 02:07 00:02 Jupiter 1.85018793468969 1.85018752760253 1.85018834177684 2.56038431840404 2.37486017673492 2475684.588369281 1.59562871219384 70.4633798931816 14.9005540100688 82.6134346141648 3079939.43539092 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
2077-Apr-07 16:25 00:02 Jupiter 1.87812378262488 1.8781232943919 1.87812427085829 2.41715055941134 2.22275254491919 2479766.184128036 2.04472919544759 115.152219672169 13.4425364947232 82.6903644671778 3152504.74005345 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
2088-Jun-07 01:10 00:03 Jupiter 1.93721455328435 1.93721396173964 1.93721514483092 2.49496162422664 2.31308427308675 2483844.548939186 2.53553492015181 153.511083447116 13.3016107554984 85.3848192171545 3452317.03972715 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25
2199-Feb-28 16:30 00:06 Jupiter 1.99996165015511 1.99996022379117 1.9999630765311 3.86782922264875 3.75673583614065 2524287.187217878 6.03966660088744 265.735862021303 13.7660495947397 77.9153012460626 3994060.34056585 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 03:25:23 2021-Apr-13 03:25

Alternate Designations
 1999 TQ11 = 1997 JV16 = 1997 LF12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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