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JPL Small-Body Database Browser
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(2011 QK9)
Classification: Main-belt Asteroid          SPK-ID: 3576652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3692859171202137 5.7033e-07  
a 2.762705635440895 4.5577e-08 au
q 1.742477351123921 1.5875e-06 au
i 3.090267955184607 1.0089e-05 deg
node 271.8706159106401 0.00016832 deg
peri 104.5784061888868 0.00021856 deg
M 37.39055370764897 5.0199e-05 deg
tp 2459222.295350123322
(2021-Jan-07.79535012)
0.00023061 TDB
period 1677.259835357149
4.59
4.1505e-05
1.136e-07
d
yr
n .2146357960830458 5.3113e-09 deg/d
Q 3.782933919757868 6.2408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6607 days (18.09 yr)  
   first obs. used      2002-11-01  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37559  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:14:02  

Additional Information
 Earth MOID = .746532 au 
 Jupiter MOID = 1.7153 au 
 T_jup = 3.236 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a E2020X05  

[ 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
1922-May-14 15:37 00:08 Jupiter 1.699875091536 1.69986948082719 1.69988070225647 0.334680863183902 n/a 2423189.150589810 7.88792400473823 729.412681593016 264.145651372644 -82.203895938921 954719.878432862 F 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
1982-May-02 20:17 00:06 Jupiter 1.80830530685146 1.80829499053479 1.8083156495774 0.503838407918562 n/a 2445092.345165086 5.65458673828033 11324.7583864488 138.357150513949 -87.4887592372074 1952824.03041727 F 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
2004-Aug-19 03:13 00:04 Jupiter 1.81546614016072 1.815461338474 1.81547094348608 0.159621472983876 n/a 2453236.634191280 4.26592436800284 5928.07166394504 212.741949881083 88.9364262249256 1276059.74498827 F 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
2064-Aug-09 05:38 00:05 Jupiter 1.70214580014051 1.70214212411622 1.70214947617759 0.350763623079632 n/a 2475141.734544187 4.76059327095811 352.385853437191 116.33320519557 64.7929024891643 2003586.07845247 F 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
2124-Jul-26 05:26 00:09 Jupiter 1.75165768309786 1.75164837287223 1.75166740475183 0.548103248365383 n/a 2497041.726255948 9.0762095950415 42436.7596528976 32.7563385877934 -89.3608448776353 7997116.47857965 F 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
2146-Nov-11 01:24 00:11 Jupiter 1.88705253160867 1.88704534894158 1.88705971475323 0.211906970087284 n/a 2505184.558515575 10.8842566618437 2640.08385639053 293.739632464939 -85.5193842204842 957907.112647018 F 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
2184-Jul-25 14:57 00:14 Jupiter 1.94719351970744 1.94717993433068 1.94720728554591 0.977405056059031 0.29210870311687 2518956.123070507 14.0896897273007 172757.019737082 3772.31575061251 25.1692258357601 1173338.93107465 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 05:14:02 2021-Apr-15 05:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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