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JPL Small-Body Database Browser
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243961 (2001 QL229)
Classification: Main-belt Asteroid          SPK-ID: 2243961
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193535854775145 9.3933e-08  
a 2.785853378745 3.0215e-08 au
q 2.174766451502636 2.6265e-07 au
i 6.777921530543279 7.4435e-06 deg
node 298.0284095318601 9.837e-05 deg
peri 22.45233695447879 0.00010151 deg
M 302.4176314240099 2.4778e-05 deg
tp 2458872.158209787503
(2020-Jan-23.65820979)
0.00011782 TDB
period 1698.383688306267
4.65
2.7631e-05
7.565e-08
d
yr
n .2119662373577164 3.4484e-09 deg/d
Q 3.396940305987364 3.6843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      6051 days (16.57 yr)  
   first obs. used      2001-08-24  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59185  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:35:05  

Additional Information
 Earth MOID = 1.16266 au 
 Jupiter MOID = 1.92735 au 
 T_jup = 3.286 
[ 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 MPO440241  
diameter diameter 2.856 km 0.397 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243961 (2001 QL229)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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
1919-Nov-15 11:15 00:04 Jupiter 1.92052424611173 1.92052335333018 1.92052513889328 2.46438021729391 2.27839759054319 2422277.968467174 4.35819640767152 259.040691987622 55.0413410646418 -88.4425040009287 1351506.19315803 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 09:35:07 2018-Dec-17 23:06
1942-Sep-27 06:31 00:03 Jupiter 1.96748448412408 1.96748338122184 1.96748558703325 2.73619562209203 2.57405238856405 2430629.771224771 3.31859354007445 259.594512324468 22.3854983267488 -82.4364183934288 1556082.47275298 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 09:35:07 2018-Dec-17 23:06
2026-Dec-08 20:12 < 00:01 Jupiter 1.94986428110308 1.94986343509532 1.94986512711505 2.38546912007724 2.19582818382791 2461383.341862615 0.824499597253591 318.466286826908 32.8081820522936 -82.6414285440669 1246299.84449911 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 09:35:07 2018-Dec-17 23:06
2049-Oct-21 04:28 00:02 Jupiter 1.93707767896491 1.93707684667804 1.93707851125475 2.64233886129135 2.47131912357198 2469735.686455280 1.86303498609675 204.720675802713 21.2934254530261 -83.5733799809325 1529594.63133261 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 09:35:07 2018-Dec-17 23:06
2134-Jan-03 02:14 00:06 Jupiter 1.99252024184973 1.99251815778456 1.99252232597775 2.28955280205803 2.09567408351127 2500489.593010411 5.8096917816319 691.962338435069 39.4261583749474 -79.9189938302868 1057271.94169301 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 09:35:07 2018-Dec-17 23:06
2156-Nov-14 15:51 00:07 Jupiter 1.92992790476801 1.92992704389187 1.92992876566193 2.54779772036682 2.36928193654444 2508841.160691199 6.79989034471838 408.81255831187 31.2831866308632 -89.3461745745611 1229208.66974895 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 09:35:07 2018-Dec-17 23:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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