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308344 (2005 QP9)
Classification: Main-belt Asteroid          SPK-ID: 2308344
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674949490238816 9.5499e-08  
a 2.997933033775816 5.4795e-08 au
q 2.495794393106525 2.6557e-07 au
i 2.956840413584303 7.9943e-06 deg
node 157.3171878190564 0.00016924 deg
peri 173.8582363073206 0.00017353 deg
M 305.0638093339778 5.3405e-05 deg
tp 2459289.825930921928
(2021-Mar-16.32593092)
0.00028796 TDB
period 1895.96937590933
5.19
5.198e-05
1.423e-07
d
yr
n .1898764845963505 5.2057e-09 deg/d
Q 3.500071674445106 6.3973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5437 days (14.89 yr)  
   first obs. used      2004-05-09  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:23:41  

Additional Information
 Earth MOID = 1.48516 au 
 Jupiter MOID = 1.8647 au 
 T_jup = 3.230 
[ 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 16.6   n/a MPO433983  

308344 (2005 QP9)          Discovered 2005-Jul-29 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
1918-Dec-31 05:30 00:09 Jupiter 1.90424256661992 1.90424055680738 1.9042445764289 2.4429900036828 2.25357137903204 2421958.729308330 8.75501609097116 82.9783919324766 14.027370544347 86.3861584701344 455262.421240314 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23
1956-Feb-28 16:39 00:05 Jupiter 1.89244803417242 1.89244633917755 1.8924497291747 2.05712386425829 1.82663568691875 2435532.193433672 5.27988975975451 276.38067000951 22.4953934792694 -87.9294623994209 1176079.22847987 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23
2002-Apr-16 04:31 00:01 Jupiter 1.88989103544599 1.88989028778525 1.88989178310629 2.31426383264011 2.11173987171981 2452380.688000446 1.14064256321964 84.2241877709725 7.76971915625915 84.3971013303942 1435984.3431957 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23
2039-Jun-13 20:22 00:02 Jupiter 1.90855858280692 1.9085577884154 1.90855937719811 2.09907141809086 1.87576555023713 2465953.348825697 2.35209865433174 142.596521910038 19.9186612009963 -86.7898931414372 1374341.60390212 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23
2085-Aug-01 02:18 00:07 Jupiter 1.88529635435979 1.88529532877365 1.885297379947 2.22552938221777 2.01356019778262 2482803.595812561 6.5703403423662 156.95241371561 22.8820331295779 -83.6846350370748 1173220.17601992 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23
2122-Sep-26 23:08 00:10 Jupiter 1.93360676848888 1.93360511476131 1.93360842225084 2.1713986173009 1.95930234417544 2496373.464206392 9.88263852299375 506.148575044561 16.1708310680248 -86.5750940456106 1306625.83328176 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23
2168-Nov-15 21:07 00:14 Jupiter 1.87516764465765 1.87516621885626 1.8751690704809 2.14062312804054 1.91803479298204 2513225.379864941 14.21582333141 413.779889472944 24.7760134214866 -81.4294519780544 1331819.8376887 T 8 CATAB v2.0e-lin.ifort 2019-Jul-14 04:23:44 2019-Jul-14 04:23

Alternate Designations
 2005 QP9 = 2011 UL253 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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