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100354 (1995 TR4)
Classification: Main-belt Asteroid          SPK-ID: 2100354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304469715226922 5.9893e-08  
a 2.413642872066282 1.537e-08 au
q 2.098790469067903 1.4361e-07 au
i 1.8178916304557 7.1018e-06 deg
node 208.5363285150208 0.00013994 deg
peri 324.7557489745366 0.00014197 deg
M 61.34843622572284 2.1377e-05 deg
tp 2458767.095653049611
(2019-Oct-10.59565305)
8.1023e-05 TDB
period 1369.6447712698
3.75
1.3083e-05
3.582e-08
d
yr
n .2628418751719421 2.5107e-09 deg/d
Q 2.728495275064661 1.7375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      8881 days (24.31 yr)  
   first obs. used      1995-10-02  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:04:52  

Additional Information
 Earth MOID = 1.10411 au 
 Jupiter MOID = 2.23876 au 
 T_jup = 3.506 
[ 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 17.3   n/a MPO417506  

100354 (1995 TR4)          Discovered 1995-Oct-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 TR4 = 2003 YZ121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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