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268133 (2004 TZ121)
Classification: Main-belt Asteroid          SPK-ID: 2268133
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3372069286153631 6.0043e-08  
a 3.055272752820889 2.6854e-08 au
q 2.025013611759952 1.8861e-07 au
i 11.11281803516835 6.3557e-06 deg
node 187.0779524458925 3.644e-05 deg
peri 267.6761692671091 3.8724e-05 deg
M 216.8840487560775 8.5092e-06 deg
tp 2459375.959191689010
(2021-Jun-10.45919169)
4.9977e-05 TDB
period 1950.62329937103
5.34
2.5718e-05
7.041e-08
d
yr
n .1845563928802042 2.4332e-09 deg/d
Q 4.085531893881827 3.591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2000-01-08  
   last obs. used      2017-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54656  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 18:04:06  

Additional Information
 Earth MOID = 1.07698 au 
 Jupiter MOID = 1.4386 au 
 T_jup = 3.119 
[ 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 15.9   n/a MPO476131  
diameter diameter 2.923 km 0.705 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.082   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

268133 (2004 TZ121)          Discovered 2004-Oct-07 by LONEOS at Anderson Mesa
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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