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46551 (1989 TC4)
Classification: Main-belt Asteroid          SPK-ID: 2046551
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754168167243617 3.6649e-08  
a 2.667790589831697 1.0579e-08 au
q 2.199815256876213 1.0042e-07 au
i 2.333389478125619 4.2725e-06 deg
node 137.9680852745315 8.6026e-05 deg
peri 238.4896658544 8.6773e-05 deg
M 13.80974736757706 1.1905e-05 deg
tp 2458939.446682944141
(2020-Mar-30.94668294)
5.2476e-05 TDB
period 1591.571051597426
4.36
9.4669e-06
2.592e-08
d
yr
n .2261915983195822 1.3454e-09 deg/d
Q 3.135765922787181 1.2435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      10994 days (30.10 yr)  
   first obs. used      1989-09-26  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55293  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:17:45  

Additional Information
 Earth MOID = 1.20228 au 
 Jupiter MOID = 2.32688 au 
 T_jup = 3.359 
[ 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 14.9   n/a MPO432023  

46551 (1989 TC4)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1989 TC4 = 1989 SP5 = 1998 VF4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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