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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306408759846455 5.0625e-08  
a 2.414909627717156 1.3721e-08 au
q 2.099423718528433 1.1698e-07 au
i 1.817398623469476 6.0253e-06 deg
node 208.4805806131272 0.0001256 deg
peri 325.0520409163998 0.00012745 deg
M 113.6246001028258 2.095e-05 deg
tp 2458767.867024729848
(2019-Oct-11.36702473)
7.8797e-05 TDB
period 1370.723161677217
3.75
1.1682e-05
3.198e-08
d
yr
n .2626350893199352 2.2384e-09 deg/d
Q 2.730395536905879 1.5514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      9059 days (24.80 yr)  
   first obs. used      1995-10-02  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:06:40  

Additional Information
 Earth MOID = 1.10427 au 
 Jupiter MOID = 2.23564 au 
 T_jup = 3.505 
[ 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 17.39   n/a E2021B55  

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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