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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .239905656883111 8.941e-08  
a 2.792564933435121 2.6236e-08 au
q 2.122612808690628 2.5859e-07 au
i 7.156352929556393 5.9801e-06 deg
node 256.8530219516339 5.9747e-05 deg
peri 241.7476346496646 6.1941e-05 deg
M 328.9020719762105 1.4411e-05 deg
tp 2458747.742200922820
(2019-Sep-21.24220092)
6.9011e-05 TDB
period 1704.52488962176
4.67
2.4021e-05
6.577e-08
d
yr
n .2112025481070477 2.9764e-09 deg/d
Q 3.462517058179615 3.253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7027 days (19.24 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:06:49  

Additional Information
 Earth MOID = 1.1477 au 
 Jupiter MOID = 1.66916 au 
 T_jup = 3.275 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2410111213324267 8.9397e-08  
q 2.119240162825127 2.59e-07 au
tp 2457044.205105454729
(2015-Jan-21.70510545)
6.3063e-05 TDB
node 256.8922702271494 5.9757e-05 deg
peri 241.7932976421438 6.1915e-05 deg
i 7.156976339619131 5.9808e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7027 days (19.24 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:06:49  

Additional Information
 Jupiter MOID = 1.66916 au 
 T_jup = 3.275 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.991894403068195E-15 -2.309732856561308E-14 2.378083946862511E-12 6.948780992193091E-14 8.637584634506755E-13 -1.558030066206676E-14
q -2.309732856561308E-14 6.708022718020278E-14 -6.596353900097059E-12 -1.951389513982715E-13 -2.432626809712298E-12 4.574254560869381E-14
tp 2.378083946862511E-12 -6.596353900097059E-12 3.976960920951882E-9 4.929205257754267E-11 1.072544214658348E-9 -3.529850880221498E-12
node 6.948780992193091E-14 -1.951389513982715E-13 4.929205257754267E-11 3.570862830642703E-9 -3.527013959301607E-9 1.634509021198992E-11
peri 8.637584634506755E-13 -2.432626809712298E-12 1.072544214658348E-9 -3.527013959301607E-9 3.833428405784034E-9 -1.773465827227488E-11
i -1.558030066206676E-14 4.574254560869381E-14 -3.529850880221498E-12 1.634509021198992E-11 -1.773465827227488E-11 3.576987323181944E-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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