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249009 (2007 QB2)
Classification: Main-belt Asteroid          SPK-ID: 2249009
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3025481012502513 5.7901e-08  
a 3.075868793955952 2.9534e-08 au
q 2.145270530649678 1.747e-07 au
i 15.41891368569713 5.6155e-06 deg
node 16.09326723391074 2.0536e-05 deg
peri 314.3031371068656 2.2553e-05 deg
M 152.0283470795222 1.4909e-05 deg
tp 2458168.406348028305
(2018-Feb-18.90634803)
7.4795e-05 TDB
period 1970.38065903013
5.39
2.8379e-05
7.77e-08
d
yr
n .1827058128845017 2.6315e-09 deg/d
Q 4.006467057262227 3.8469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      7290 days (19.96 yr)  
   first obs. used      2000-02-12  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:18:43  

Additional Information
 Earth MOID = 1.16634 au 
 Jupiter MOID = 1.57328 au 
 T_jup = 3.105 
[ 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 14.8   n/a MPO454844  
diameter diameter 5.785 km 0.941 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249009 (2007 QB2)          Discovered 2007-Aug-21 by La Sagra at La Sagra
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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
1956-May-21 01:55 00:02 Jupiter 1.58227633180663 1.58227550754404 1.58227715606921 2.99026885657533 2.80554271405303 2435614.579736511 2.38418332105562 144.612799463683 46.0574107494258 -88.3213106783884 1537844.17009228 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2015-Jun-26 23:44 < 00:01 Jupiter 1.61434072366011 1.61433989123515 1.61434155608543 2.93660894077805 2.75214450991365 2457200.489012249 0.473361654365406 94.4406045468602 27.750810064783 67.5757142515886 1633674.66890827 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2064-Sep-12 21:01 00:02 Jupiter 1.9652501137486 1.96524838367356 1.96525184388676 3.78806806729533 3.67252773586354 2475176.375584997 2.03972751678488 610.681728267996 26.6573119444771 82.5787576502427 2285381.28113593 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2074-Jul-13 22:32 00:03 Jupiter 1.69094299726656 1.69094108797022 1.69094490656444 2.79251135480539 2.60696857807266 2478767.438814163 2.84198829238368 150.516168009276 77.4207954979994 41.5788475710336 1492482.60744442 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2123-Sep-17 22:17 00:04 Jupiter 1.80967786490155 1.80967442922542 1.80968130067829 3.65147010948696 3.52095596050177 2496729.428478035 4.25322380388382 718.351689053902 27.5591814507977 76.8648946088876 2164920.1453894 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2133-Jun-27 17:11 00:07 Jupiter 1.82035788817511 1.82035370683414 1.82036206964657 2.36781309318245 2.16238938859258 2500300.216253072 6.64890854325042 897.007909496065 59.0249958756108 63.276885812045 1723669.57561683 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2182-Sep-19 22:26 00:06 Jupiter 1.67000570536625 1.67000187863321 1.67000953216592 3.56540116658664 3.42018869680264 2518281.434877316 5.76944879813934 575.270582865512 22.4979320517058 71.5427581152317 2142866.86501994 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18
2192-Apr-25 05:06 00:12 Jupiter 1.97653121759683 1.97652556749756 1.9765368967475 1.34873546546566 0.980819825467003 2521786.712491654 11.8005530838903 15387.0289611154 332.561216044003 70.6095831699407 955320.31005363 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 10:18:55 2020-Feb-25 10:18

Alternate Designations
 2007 QB2 = 2006 HK111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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