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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3022575660845275 5.9429e-08  
a 3.076096297763354 3.0363e-08 au
q 2.146322917759777 1.808e-07 au
i 15.41823677446599 6.8907e-06 deg
node 16.11598045097474 2.0616e-05 deg
peri 314.2734978236187 2.3251e-05 deg
M 78.99166750833511 1.4626e-05 deg
tp 2458168.108549272489
(2018-Feb-18.60854927)
7.7143e-05 TDB
period 1970.599269163155
5.40
2.9177e-05
7.988e-08
d
yr
n .1826855442572449 2.7049e-09 deg/d
Q 4.005869677766931 3.9541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2000-02-12  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53912  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:46:47  

Additional Information
 Earth MOID = 1.16654 au 
 Jupiter MOID = 1.57055 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 1.58227584806337 1.58227493137316 1.58227676475349 2.99026669220011 2.80554034883318 2435614.579931467 2.41045999669022 145.221161056075 47.6538538609643 -88.5043851905078 1297967.76139432 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2015-Jun-26 23:44 < 00:01 Jupiter 1.61434020055093 1.61433927906309 1.61434112203886 2.93660634787555 2.75214168144294 2457200.488868318 0.534996627325655 97.900468315325 30.8247816748609 69.5667704548578 1328970.18631761 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2064-Sep-12 21:00 00:02 Jupiter 1.96525007673048 1.96524818706393 1.96525196647233 3.78806552354834 3.67252510987782 2475176.375318367 2.11422875217219 669.479489408276 28.6097202869074 82.6303888567023 1860348.90172554 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2074-Jul-13 22:31 00:03 Jupiter 1.69094266820622 1.69094067011431 1.69094466629948 2.79250769534617 2.60696462077067 2478767.438289535 2.93831241039339 150.665935289803 85.5145789777078 40.8017566172853 1215963.11184273 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2123-Sep-17 22:16 00:04 Jupiter 1.80967736843425 1.80967374591442 1.80968099106518 3.65146703811177 3.52095273880839 2496729.427833468 4.37640573889853 755.293302924563 28.0084623034021 76.8482156919236 1801278.86818965 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2133-Jun-27 17:10 00:07 Jupiter 1.82035797937706 1.82035365446255 1.82036230442412 2.36780673153156 2.16238243337352 2500300.215216293 6.83672751662313 916.152330551777 65.1336938691766 63.087233453169 1429460.4250159 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2182-Sep-19 22:25 00:06 Jupiter 1.67000495268286 1.67000094453836 1.67000896089941 3.5653978449916 3.42018516734325 2518281.433913229 5.91653008095907 598.763418936472 22.7042221225135 71.4582950313336 1812924.98613192 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46
2192-Apr-25 05:04 00:12 Jupiter 1.97653168713095 1.9765258628201 1.97653754180998 1.34872495086491 0.980805470474657 2521786.710769000 12.0998982375743 15810.7157008724 333.092853043602 70.6241116735338 940247.656311021 T 16 CATAB v2.0f-lin.ifort 2019-Dec-04 18:46:50 2019-Dec-04 18:46

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