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JPL Small-Body Database Browser
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117285 (2004 TK173)
Classification: Main-belt Asteroid          SPK-ID: 2117285
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 .005898096821126742 5.8882e-08  
a 2.999681685177287 2.9551e-08 au
q 2.981989272165551 1.7983e-07 au
i 8.531180899369126 7.2553e-06 deg
node 330.9403944164372 3.7158e-05 deg
peri 168.6932530446011 0.000606 deg
M 265.6835728587606 0.00060749 deg
tp 2459497.659822110904
(2021-Oct-10.15982211)
0.0032056 TDB
period 1897.62845545353
5.20
2.8041e-05
7.677e-08
d
yr
n .189710477288327 2.8034e-09 deg/d
Q 3.017374098189024 2.9725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7299 days (19.98 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:58  

Additional Information
 Earth MOID = 1.99246 au 
 Jupiter MOID = 1.97623 au 
 T_jup = 3.236 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .003504427918550436 7.0099e-08  
q 2.988897483402156 2.0765e-07 au
tp 2457722.778670182250
(2016-Nov-30.27867018)
0.0042881 TDB
node 331.1082335794606 3.7038e-05 deg
peri 191.9772778830054 0.00081295 deg
i 8.544972833492826 7.2679e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7299 days (19.98 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:58  

Additional Information
 Jupiter MOID = 1.97623 au 
 T_jup = 3.236 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.913896335871995E-15 -1.441320279517776E-14 1.14837046399649E-10 -1.631605663217335E-14 2.179911212346017E-11 -3.217644995385143E-16
q -1.441320279517776E-14 4.312042618361666E-14 -2.785515350825921E-10 4.87557477706545E-14 -5.295362040519019E-11 2.86974779150741E-15
tp 1.14837046399649E-10 -2.785515350825921E-10 1.838773506847313E-5 -1.513395798561173E-10 3.482397424521626E-6 1.272905890011181E-11
node -1.631605663217335E-14 4.87557477706545E-14 -1.513395798561173E-10 1.371800869914462E-9 -1.384499542120958E-9 1.336556123589756E-10
peri 2.179911212346017E-11 -5.295362040519019E-11 3.482397424521626E-6 -1.384499542120958E-9 6.608796508664505E-7 -1.299364911718604E-10
i -3.217644995385143E-16 2.86974779150741E-15 1.272905890011181E-11 1.336556123589756E-10 -1.299364911718604E-10 5.282264264286933E-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 14.6   n/a MPO379339  
diameter diameter 4.841 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117285 (2004 TK173)          Discovered 2004-Oct-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1915-Sep-16 00:09 00:04 Jupiter 1.9910168895046 1.99101615407525 1.99101762493814 4.21159812279893 4.10934479190306 2420756.506174071 4.38658260989423 294.371133235409 28.0577361204368 85.7989672926132 2264542.21825133 T 20 CATAB v2.0f-lin.ifort 2019-Dec-14 09:48:11 2019-Dec-14 09:48
1998-Dec-30 14:49 < 00:01 Jupiter 1.99917097424486 1.99917025215124 1.99917169633858 4.08815056411026 3.98316473067446 2451178.117122382 0.774563508635327 94.6895586872272 29.7603598700695 82.067293062905 2135644.16436343 T 20 CATAB v2.0f-lin.ifort 2019-Dec-14 09:48:11 2019-Dec-14 09:48

Alternate Designations
 2004 TK173 = 2001 BD80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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