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JPL Small-Body Database Browser
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243962 (2001 QD246)
Classification: Main-belt Asteroid          SPK-ID: 2243962
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2532819037851036 3.464e-08  
a 2.76403119013193 1.4019e-08 au
q 2.063952108173909 9.6501e-08 au
i 11.75872382546124 4.5387e-06 deg
node 177.8347483500962 2.8929e-05 deg
peri 171.5828575585671 3.2208e-05 deg
M 312.0083809466853 1.3365e-05 deg
tp 2458824.256539509837
(2019-Dec-06.75653951)
6.3143e-05 TDB
period 1678.467111810803
4.60
1.277e-05
3.496e-08
d
yr
n .2144814143016579 1.6318e-09 deg/d
Q 3.464110272089951 1.757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:17:38  

Additional Information
 Earth MOID = 1.05808 au 
 Jupiter MOID = 1.98436 au 
 T_jup = 3.263 
[ 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 MPO440241  
diameter diameter 1.770 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243962 (2001 QD246)          Discovered 2001-Aug-24 by LINEAR at Socorro
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
1921-Feb-25 16:46 00:02 Jupiter 1.9734219570254 1.97342159922704 1.97342231482465 2.79206246449104 2.63385318350511 2422746.198858673 2.04507493314811 229.857373084598 17.4419374844941 87.121939959397 2659851.94002927 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 02:17:41 2019-Nov-08 02:17
2063-Jun-11 22:39 < 00:01 Jupiter 1.97810802949941 1.97810765605502 1.97810840294437 2.81894584027725 2.66271647567479 2474717.443502149 0.998054676295145 124.545415689308 17.661864477029 85.965554660734 2784532.65885302 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 02:17:41 2019-Nov-08 02:17
2123-May-27 14:40 00:02 Jupiter 1.99819104845808 1.99819046350695 1.99819163341659 3.01224845397084 2.86807451572325 2496616.110785622 2.19207691512661 253.986663285883 16.1559082265071 -85.3727940612328 2582201.98901787 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 02:17:41 2019-Nov-08 02:17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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