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JPL Small-Body Database Browser
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423025 (2003 TB21)
Classification: Main-belt Asteroid          SPK-ID: 2423025
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1996303349466281 1.9129e-07  
a 2.29647293367236 1.4003e-08 au
q 1.838027272727481 4.368e-07 au
i 6.777673949030753 9.631e-06 deg
node 80.51382976733204 6.7229e-05 deg
peri 279.1542601826449 7.2753e-05 deg
M 295.8647192100737 2.4356e-05 deg
tp 2459226.956569104973
(2021-Jan-12.45656910)
8.695e-05 TDB
period 1271.131331674084
3.48
1.1626e-05
3.183e-08
d
yr
n .2832122779365991 2.5904e-09 deg/d
Q 2.754918594617239 1.6799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5222 days (14.30 yr)  
   first obs. used      2003-09-28  
   last obs. used      2018-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59973  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:05:32  

Additional Information
 Earth MOID = .849732 au 
 Jupiter MOID = 2.72092 au 
 T_jup = 3.559 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO322125  
diameter diameter 1.293 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423025 (2003 TB21)          Discovered 2003-Oct-15 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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