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243741 (2000 QS21)
Classification: Main-belt Asteroid          SPK-ID: 2243741
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290761428018912 5.5031e-08  
a 3.108924323595009 3.459e-08 au
q 2.707636363642387 1.6389e-07 au
i 17.22199119432088 5.3388e-06 deg
node 157.2876694277257 1.7617e-05 deg
peri 207.8022461547941 2.606e-05 deg
M 195.7995962262931 2.3231e-05 deg
tp 2459913.740941082606
(2022-Nov-30.24094108)
0.00013944 TDB
period 2002.228564814181
5.48
3.3416e-05
9.149e-08
d
yr
n .1797996524105179 3.0007e-09 deg/d
Q 3.510212283547632 3.9055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      2000-08-24  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:50:22  

Additional Information
 Earth MOID = 1.71436 au 
 Jupiter MOID = 1.95219 au 
 T_jup = 3.138 
[ 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 15.1   n/a MPO437137  

243741 (2000 QS21)          Discovered 2000-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
1920-Aug-07 21:21 00:05 Jupiter 1.98403873083939 1.98403773930865 1.98403972240533 4.7116560545968 4.62015866637941 2422544.389358524 4.63089057726898 473.780160163168 21.4005591779913 84.5000323208515 3665236.28814207 T 20 CATAB v2.0f-lin.ifort 2020-May-21 12:50:43 2020-May-21 12:50
1992-Apr-13 05:32 00:01 Jupiter 1.9553267229076 1.95532622740002 1.95532721841624 4.73071091578748 4.63823795863784 2448725.730372592 1.15169801848682 147.211657707729 20.3542291835089 -85.1297438568803 3504089.22277726 T 20 CATAB v2.0f-lin.ifort 2020-May-21 12:50:43 2020-May-21 12:50
2063-Dec-18 05:36 00:02 Jupiter 1.99667329026156 1.99667270012015 1.99667388040683 4.5973490851503 4.50412975484649 2474906.733550941 2.31008471952925 259.685949515809 23.7676768622778 -85.9702611243692 3287588.28205398 T 20 CATAB v2.0f-lin.ifort 2020-May-21 12:50:43 2020-May-21 12:50
2146-Jan-03 16:46 00:06 Jupiter 1.9881712733174 1.98816987969702 1.98817266701021 4.79133817038399 4.70158053673313 2504873.198275852 6.27300349271213 639.370438264 20.7936043956834 84.0878972777971 3899167.26309531 T 20 CATAB v2.0f-lin.ifort 2020-May-21 12:50:43 2020-May-21 12:50

Alternate Designations
 2000 QS21 = 2006 TF64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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