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JPL Small-Body Database Browser
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226904 (2004 TY173)
Classification: Main-belt Asteroid          SPK-ID: 2226904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391691039263055 6.6331e-08  
a 2.849678793766499 3.0256e-08 au
q 2.45309154956022 1.9472e-07 au
i 15.70483626615499 6.4817e-06 deg
node 19.77951331510717 1.8286e-05 deg
peri 10.43998037171961 2.7186e-05 deg
M 112.8928938922037 1.903e-05 deg
tp 2458449.493911425648
(2018-Nov-26.99391143)
9.2026e-05 TDB
period 1757.083063847879
4.81
2.7983e-05
7.661e-08
d
yr
n .2048850207523071 3.263e-09 deg/d
Q 3.246266037972778 3.4466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      7392 days (20.24 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:39:10  

Additional Information
 Earth MOID = 1.45909 au 
 Jupiter MOID = 2.22126 au 
 T_jup = 3.237 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457230.5 (2015-Jul-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365489044606008 6.5834e-08  
q 2.463874556703264 1.9266e-07 au
tp 2456691.067140417659
(2014-Feb-02.56714042)
9.8085e-05 TDB
node 19.82611904093693 1.831e-05 deg
peri 10.52585572499863 2.7598e-05 deg
i 15.68666446785007 6.4754e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      7392 days (20.24 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:39:10  

Additional Information
 Jupiter MOID = 2.22126 au 
 T_jup = 3.237 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.334166259663779E-15 -1.256741120523551E-14 -2.020261008839224E-12 -1.106801310761135E-14 -6.029406582372321E-13 2.216021886159708E-15
q -1.256741120523551E-14 3.711784683563353E-14 5.073628966636073E-12 2.891124609760529E-14 1.638313689318247E-12 -3.93278222196694E-15
tp -2.020261008839224E-12 5.073628966636073E-12 9.620593124200936E-9 1.789105010372786E-11 2.0225331815997E-9 -2.835861022829654E-11
node -1.106801310761135E-14 2.891124609760529E-14 1.789105010372786E-11 3.352456993417045E-10 -3.183081294593615E-10 -2.821864126827398E-11
peri -6.029406582372321E-13 1.638313689318247E-12 2.0225331815997E-9 -3.183081294593615E-10 7.616340409492293E-10 2.142565631027307E-11
i 2.216021886159708E-15 -3.93278222196694E-15 -2.835861022829654E-11 -2.821864126827398E-11 2.142565631027307E-11 4.193044438165794E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO454630  
diameter diameter 3.541 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226904 (2004 TY173)          Discovered 2004-Oct-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 TY173 = 1999 TW199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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