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JPL Small-Body Database Browser
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393895 (2005 TZ121)
Classification: Main-belt Asteroid          SPK-ID: 2393895
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 .1396257870908243 9.9558e-08  
a 2.978984290724842 5.4442e-08 au
q 2.563041264401185 3.28e-07 au
i 12.87421327131295 1.1e-05 deg
node 22.72111873336748 3.1242e-05 deg
peri 303.6044188512798 5.0399e-05 deg
M 347.6440280312369 3.5729e-05 deg
tp 2459064.957752718082
(2020-Aug-03.45775272)
0.00018662 TDB
period 1878.022306717214
5.14
5.1482e-05
1.41e-07
d
yr
n .191691013845986 5.2548e-09 deg/d
Q 3.394927317048498 6.2044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6353 days (17.39 yr)  
   first obs. used      2002-01-09  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44492  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:10:28  

Additional Information
 Earth MOID = 1.57924 au 
 Jupiter MOID = 2.11124 au 
 T_jup = 3.207 
[ 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 16.3   n/a MPO476861  

393895 (2005 TZ121)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

Alternate Designations
 2005 TZ121 = 2010 XH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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