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JPL Small-Body Database Browser
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214439 (2005 QS121)
Classification: Main-belt Asteroid          SPK-ID: 2214439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0233688147245896 5.0606e-08  
a 3.167881175923509 4.4203e-08 au
q 3.093851547653838 1.578e-07 au
i 9.529474860853037 6.6315e-06 deg
node 171.9551189608658 3.0356e-05 deg
peri 64.74082117961883 0.00013799 deg
M 255.8229892175134 0.00013524 deg
tp 2459196.465531985374
(2020-Dec-12.96553199)
0.00077567 TDB
period 2059.452367688809
5.64
4.3105e-05
1.18e-07
d
yr
n .1748037515448851 3.6587e-09 deg/d
Q 3.241910804193181 4.5236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8919 days (24.42 yr)  
   first obs. used      1994-09-09  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:18:08  

Additional Information
 Earth MOID = 2.09909 au 
 Jupiter MOID = 1.74156 au 
 T_jup = 3.181 
[ 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 15.6   n/a MPO433401  

214439 (2005 QS121)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
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
1905-Mar-28 06:45 00:07 Jupiter 1.78522586866061 1.78522392596649 1.78522781138436 3.34020483038627 3.19500290257291 2416932.781317845 6.84681178746408 399.289614543116 24.0786722573052 74.9556033048923 2240712.25907097 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
1915-Dec-04 03:44 00:06 Jupiter 1.74495512341752 1.74495412177254 1.74495612509226 3.70978452962231 3.576545378469 2420835.655864491 5.90311683352146 453.195620302425 25.3853358931014 -85.4322284702001 2233454.70245277 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
1926-Aug-11 01:16 00:05 Jupiter 1.94859639375313 1.94859399858868 1.94859878892987 3.87889525834329 3.76516422148964 2424738.552826606 5.35141667210913 282.44034898594 27.9584046583364 -66.3647585208172 2774795.94600836 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
2012-Jun-05 22:08 < 00:01 Jupiter 1.84430101608428 1.84430039144542 1.84430164072315 3.13489894749315 2.98480515851368 2456084.422330119 0.368881998412525 62.4513776910964 22.1565613343151 77.5220127127917 2405132.38325044 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
2023-Feb-04 02:41 < 00:01 Jupiter 1.73386256223482 1.73386198010692 1.73386314436272 3.60217762390614 3.46390650491386 2459979.612077573 0.571850503084702 64.4682367312136 24.4056204279547 -85.7490390723212 2160121.26195862 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
2033-Oct-16 20:59 00:01 Jupiter 1.86244868394365 1.86244794218086 1.86244942570697 3.89729287260607 3.77879773135823 2463887.374436676 1.22689479247615 91.3903294617007 26.5733052398197 -75.6333080209617 2605276.39797785 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
2119-Aug-26 17:04 00:07 Jupiter 1.912518362848 1.91251637138751 1.91252035431262 2.99939000479532 2.84790690255389 2495246.211310082 6.76636502281075 179.98238139914 21.4544519631108 57.3389784538632 2639939.10099715 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
2130-Apr-16 03:28 00:07 Jupiter 1.75254484416616 1.75254382363035 1.75254586473564 3.40222226092315 3.25706865694613 2499131.644301033 7.12264883090494 476.602159112293 24.0817033536501 83.0176619088265 2068541.36819443 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18
2140-Dec-26 01:31 00:08 Jupiter 1.79490984074775 1.79490770387422 1.79491197768209 3.86004789633592 3.73579505310288 2503038.563208637 7.64165049883935 560.183061899484 25.6592251974168 -80.0834170192063 2441522.49978256 T 18 CATAB v2.0e-lin.ifort 2019-Jul-14 10:18:10 2019-Jul-14 10:18

Alternate Designations
 2005 QS121 = 2008 CF72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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