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193674 (2001 DT99)
Classification: Main-belt Asteroid          SPK-ID: 2193674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396458922770084 5.0838e-08  
a 2.791792935409315 1.9621e-08 au
q 2.122751226350502 1.3807e-07 au
i 7.156224091731395 5.1971e-06 deg
node 256.8520788483157 5.154e-05 deg
peri 241.7446174095346 5.3907e-05 deg
M 53.40995479035021 1.4814e-05 deg
tp 2458747.719864464266
(2019-Sep-21.21986446)
6.8755e-05 TDB
period 1703.818120611961
4.66
1.7962e-05
4.918e-08
d
yr
n .2112901580543695 2.2275e-09 deg/d
Q 3.460834644468129 2.4324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:27:12  

Additional Information
 Earth MOID = 1.14742 au 
 Jupiter MOID = 1.6693 au 
 T_jup = 3.275 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457605.5 (2016-Aug-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406221546088019 5.0844e-08  
q 2.119548221208478 1.3817e-07 au
tp 2457043.990943184835
(2015-Jan-21.49094318)
6.1478e-05 TDB
node 256.876459804402 5.1548e-05 deg
peri 241.7635450903265 5.3891e-05 deg
i 7.15704657492678 5.1973e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:27:12  

Additional Information
 Jupiter MOID = 1.6693 au 
 T_jup = 3.275 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.585065096082937E-15 -6.988183927958796E-15 1.373512096538705E-12 1.338764200488419E-14 3.591721760910853E-13 -5.895438087301543E-15
q -6.988183927958796E-15 1.909207280503006E-14 -3.597610611292909E-12 -3.623005605269515E-14 -9.195857613154643E-13 1.599044872415306E-14
tp 1.373512096538705E-12 -3.597610611292909E-12 3.779500593198631E-9 4.516663762621292E-12 1.010890059216925E-9 -6.008597818243365E-12
node 1.338764200488419E-14 -3.623005605269515E-14 4.516663762621292E-12 2.657178469452875E-9 -2.634903828463054E-9 -6.095162892950432E-11
peri 3.591721760910853E-13 -9.195857613154643E-13 1.010890059216925E-9 -2.634903828463054E-9 2.904259881934043E-9 5.890287102939063E-11
i -5.895438087301543E-15 1.599044872415306E-14 -6.008597818243365E-12 -6.095162892950432E-11 5.890287102939063E-11 2.701224698886071E-11

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 15.9   n/a MPO418040  
diameter diameter 3.755 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193674 (2001 DT99)          Discovered 2001-Feb-17 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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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
1914-Aug-22 02:04 00:03 Jupiter 1.67468132244961 1.6746807563708 1.67468188866207 1.26563992571804 0.768297987982193 2420366.586252691 2.85325630727447 10761.7804026608 148.380684299261 83.6527178707577 4538581.21712344 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
1937-Sep-25 06:03 00:02 Jupiter 1.78468273847027 1.78468157021162 1.78468390673318 1.90911146522605 1.6417956755106 2428801.752402433 2.15893720343718 290.542554510346 70.6998730009227 86.4286196514274 890322.075221562 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
2022-Nov-04 21:37 < 00:01 Jupiter 1.89779188508481 1.89779107177702 1.89779269839142 1.79248271167655 1.52327089769276 2459888.400640883 0.382097600644569 103.673174486083 80.9340182994071 22.4964040240586 884657.870359148 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
2045-Nov-10 16:42 00:01 Jupiter 1.72270389678785 1.7227031905876 1.72270460298922 0.753355346585291 n/a 2468295.196022543 1.04884564287313 225.542312767696 33.4718835058684 -87.1877524903112 7688172.24499058 F 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
2068-Dec-14 13:47 00:02 Jupiter 1.67405534855869 1.67405467141327 1.674056026072 1.04657172649455 0.288741242726595 2476730.074059933 1.93382550406325 21428.3603342369 1388.85214930802 14.5394332433886 2207774.79611161 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
2092-Jan-17 18:30 00:03 Jupiter 1.77908839786782 1.7790867122674 1.77909008346642 1.73429425711204 1.43372878301682 2485164.271018357 3.01582409248078 309.647720312673 167.177143106982 87.179178976366 545800.319557125 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
2177-Feb-27 21:40 00:06 Jupiter 1.89214548612495 1.89214217511892 1.89214879714055 1.93672339536435 1.68985020538278 2516251.402633367 5.93223969245279 486.823289072459 73.4801285278199 -60.0085701604733 808964.028355 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
2200-Mar-10 06:01 00:06 Jupiter 1.71355447459416 1.71355264260637 1.71355630662364 0.75178406454426 n/a 2524661.750428374 6.19556111274392 465.858445894324 35.2450737218758 -79.546461405504 7151134.37391412 F 17 CATAB v2.0f-lin.ifort 2020-Nov-12 06:27:13 2020-Nov-12 06:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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