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49250 (1998 TD15)
Classification: Main-belt Asteroid          SPK-ID: 2049250
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09399816767493366 4.0254e-08  
a 2.552100838493341 1.1299e-08 au
q 2.312208035953305 1.0502e-07 au
i 14.10726132068472 4.1522e-06 deg
node 216.4151963381065 1.7301e-05 deg
peri 164.3197497285333 2.8054e-05 deg
M 25.25525841136216 2.239e-05 deg
tp 2458496.029304016131
(2019-Jan-12.52930402)
9.2424e-05 TDB
period 1489.173064143849
4.08
9.8896e-06
2.708e-08
d
yr
n .2417449043821983 1.6054e-09 deg/d
Q 2.791993641033377 1.2361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      10303 days (28.21 yr)  
   first obs. used      1990-11-21  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5726  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:41  

Additional Information
 Earth MOID = 1.3183 au 
 Jupiter MOID = 2.65116 au 
 T_jup = 3.391 
[ 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 15.0   n/a MPO452839  
diameter diameter 2.864 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.215   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49250 (1998 TD15)          Discovered 1998-Oct-14 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TD15 = 1990 WL10 = 2000 EO144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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