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226735 (2004 QP9)
Classification: Main-belt Asteroid          SPK-ID: 2226735
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3155970410382938 4.9461e-08  
a 2.788877448059636 2.0649e-08 au
q 1.908715977633587 1.4134e-07 au
i 6.855633772337168 6.9537e-06 deg
node 8.326349082733261 4.8987e-05 deg
peri 28.47028990010641 5.0128e-05 deg
M 101.6764722139759 1.2903e-05 deg
tp 2458520.036344495630
(2019-Feb-05.53634450)
5.7593e-05 TDB
period 1701.149855175619
4.66
1.8893e-05
5.173e-08
d
yr
n .2116215681438807 2.3503e-09 deg/d
Q 3.669038918485685 2.7166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      6918 days (18.94 yr)  
   first obs. used      2001-02-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52339  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:57:10  

Additional Information
 Earth MOID = .918754 au 
 Jupiter MOID = 1.80263 au 
 T_jup = 3.245 
[ 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 16.3   n/a MPO352400  
diameter diameter 3.187 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226735 (2004 QP9)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
1923-Sep-20 02:52 00:03 Jupiter 1.87841340367296 1.87841187626295 1.87841493124336 1.06577868169429 0.483771965338142 2423682.619512559 3.29547787782664 2633.39554210331 1485.39673842377 10.7958225900107 925240.201981524 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 05:57:31 2020-Feb-25 05:57
1946-Sep-29 01:43 00:02 Jupiter 1.80294442019134 1.80294392426127 1.80294491612602 1.34787030040356 0.936565643172308 2432092.571840821 2.21520958103138 762.165097794117 293.389521995864 58.2942488694948 1085825.87149268 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 05:57:31 2020-Feb-25 05:57
1969-Oct-11 20:24 00:01 Jupiter 1.88983882440878 1.8898378751124 1.88983977404817 1.69279845181711 1.40327119009034 2440506.350327802 1.47495627107048 1859.00530097959 121.50872194551 88.455846941736 935321.964748403 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 05:57:31 2020-Feb-25 05:57
2054-Aug-03 11:25 00:01 Jupiter 1.94589177466054 1.94589097424873 1.94589257512621 0.98294431373477 0.309199563045428 2471482.976001629 1.34940567655979 7674.24978784694 1503.41595972881 -4.82730531256525 1139937.46353654 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 05:57:31 2020-Feb-25 05:57
2077-Aug-01 12:53 00:02 Jupiter 1.81200885497838 1.81200829481735 1.81200941515506 1.09565085837465 0.515317313010095 2479882.037071446 2.06303956026068 2642.06335487534 618.753237737081 7.40755185924927 832491.076817327 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 05:57:31 2020-Feb-25 05:57
2100-Aug-16 00:40 00:03 Jupiter 1.8373020030785 1.83730102395577 1.83730298221022 1.45489432055467 1.09301823558942 2488296.528068715 2.92201454693559 893.451408953784 271.281540278841 79.186824166214 788949.944024921 T 12 CATAB v2.0f-lin.ifort 2020-Feb-25 05:57:31 2020-Feb-25 05:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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