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JPL Small-Body Database Browser
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109289 (2001 QB123)
Classification: Main-belt Asteroid          SPK-ID: 2109289
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0491695309171437 5.1363e-08  
a 2.96733847018092 2.815e-08 au
q 2.821435829529729 1.5441e-07 au
i 10.04043912279893 5.1804e-06 deg
node 119.8213424429356 3.7061e-05 deg
peri 140.4749097582014 8.0663e-05 deg
M 227.8112552196814 7.5025e-05 deg
tp 2459286.052999525651
(2021-Mar-12.55299953)
0.00039171 TDB
period 1867.020374838903
5.11
2.6567e-05
7.274e-08
d
yr
n .1928206059513747 2.7438e-09 deg/d
Q 3.113241110832111 2.9534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8629 days (23.62 yr)  
   first obs. used      1995-06-25  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:54:52  

Additional Information
 Earth MOID = 1.81267 au 
 Jupiter MOID = 1.995 au 
 T_jup = 3.239 
[ 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 15.2   n/a MPO280506  
diameter diameter 2.931 km 0.953 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109289 (2001 QB123)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1905-Dec-23 05:21 00:05 Jupiter 1.99536063546048 1.99535992046739 1.9953613504538 3.21895674144243 3.08426500093524 2417202.723073571 4.68360604711635 113.726742635238 24.3331120170202 88.4295426718895 1787667.79679373 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 12:54:54 2019-Jul-13 12:54
2130-Apr-30 15:19 00:05 Jupiter 1.98807597923768 1.98807527794367 1.98807668053486 3.06262716953641 2.92020246186196 2499146.138476760 5.15640057407065 330.383617964172 22.7672477167114 -89.2719377437902 2212590.85127255 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 12:54:54 2019-Jul-13 12:54
2166-Apr-13 08:20 00:07 Jupiter 1.98356853305889 1.98356785166402 1.98356921445748 3.03546223093556 2.89136505516482 2512277.847037565 6.71598110031906 393.779708623787 23.4535826723923 -87.6789088849305 2179046.45074121 T 15 CATAB v2.0e-lin.ifort 2019-Jul-13 12:54:54 2019-Jul-13 12:54

Alternate Designations
 2001 QB123 = 1995 MD3 = 2004 CT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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