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155372 (1991 TM15)
Classification: Main-belt Asteroid          SPK-ID: 2155372
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102812564815172 4.5748e-08  
a 2.648244072760354 1.9242e-08 au
q 2.091367981670576 1.2703e-07 au
i 15.46096270156192 6.067e-06 deg
node 45.50994511786828 1.7726e-05 deg
peri 281.83968552 2.531e-05 deg
M 278.5165647052028 2.1885e-05 deg
tp 2459356.788881522294
(2021-May-22.28888152)
9.7173e-05 TDB
period 1574.111313348315
4.31
1.7156e-05
4.697e-08
d
yr
n .228700471781909 2.4926e-09 deg/d
Q 3.205120163850132 2.3288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      10482 days (28.70 yr)  
   first obs. used      1991-10-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:59:37  

Additional Information
 Earth MOID = 1.14545 au 
 Jupiter MOID = 2.38071 au 
 T_jup = 3.309 
[ 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 15.4   n/a MPO338289  

155372 (1991 TM15)          Discovered 1991-Oct-06 by Lowe, A. at Palomar
Reference: 20070502/Numbers.arcLast Updated: 2007-05-02

Alternate Designations
 1991 TM15 = 2004 TD206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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