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243648 (1999 TX176)
Classification: Main-belt Asteroid          SPK-ID: 2243648
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2316355377008935 5.7889e-08  
a 2.385876366965558 1.7466e-08 au
q 1.833222611815637 1.429e-07 au
i 5.579894067259735 6.5692e-06 deg
node 17.77991725488484 4.5588e-05 deg
peri 340.4328675113952 4.7559e-05 deg
M 235.0176431829368 1.8718e-05 deg
tp 2459467.822336176593
(2021-Sep-10.32233618)
7.4279e-05 TDB
period 1346.078321037111
3.69
1.4781e-05
4.047e-08
d
yr
n .267443576182574 2.9368e-09 deg/d
Q 2.938530122115479 2.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:44  

Additional Information
 Earth MOID = .830889 au 
 Jupiter MOID = 2.51225 au 
 T_jup = 3.492 
[ 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 16.7   n/a MPO413139  
diameter diameter 2.561 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243648 (1999 TX176)          Discovered 1999-Oct-10 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
1994-Nov-22 06:31 00:01 Thisb 0.0470917442134507 0.0470883031436484 0.0470951853450705 3.27931875052877 3.27931870637718 2449678.771377496 1.25148189100291 193.117215808363 49.6744936892881 -28.4299054556935 74688.5204836861 T 11 CATAB v2.0f-lin.ifort 2020-May-21 12:50:08 2020-May-21 12:50
2013-Apr-27 22:50 00:01 Thisb 0.0430173364337277 0.0430152758100071 0.0430193970927047 3.21835406323766 3.21835401398865 2456410.451051766 1.16082456917809 123.808806820805 47.4062162801711 -37.2225568813688 91876.7453534644 T 11 CATAB v2.0f-lin.ifort 2020-May-21 12:50:08 2020-May-21 12:50
2031-Sep-28 15:32 00:02 Thisb 0.0147997998228644 0.0147985583050488 0.0148010419426873 3.14813185278661 3.14813170644561 2463138.147547706 1.60275209313327 238.254373850673 47.2075243653359 -80.1390288866812 46190.7882051273 T 11 CATAB v2.0f-lin.ifort 2020-May-21 12:50:08 2020-May-21 12:50
2050-Feb-22 17:07 00:03 Thisb 0.0315477907854379 0.0315412825529043 0.0315542996296965 3.07776525057479 3.07776518035326 2469860.213339015 2.54851484631179 392.413258479515 45.5536220053079 34.5482240020002 59524.5897833773 T 11 CATAB v2.0f-lin.ifort 2020-May-21 12:50:08 2020-May-21 12:50

Alternate Designations
 1999 TX176 = 2006 OG19 = 2008 AG97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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