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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175551738103023 3.6807e-08  
a 2.669050173892156 1.0841e-08 au
q 2.200493776781212 1.0077e-07 au
i 2.332867669471575 4.2714e-06 deg
node 137.9733201683083 8.6725e-05 deg
peri 238.3193974362889 8.7458e-05 deg
M 283.5028141935412 1.1661e-05 deg
tp 2458938.935951725361
(2020-Mar-30.43595173)
5.2456e-05 TDB
period 1592.698363170938
4.36
9.7037e-06
2.657e-08
d
yr
n .2260314999528649 1.3771e-09 deg/d
Q 3.1376065710031 1.2744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10928 days (29.92 yr)  
   first obs. used      1989-09-26  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:44  

Additional Information
 Earth MOID = 1.20211 au 
 Jupiter MOID = 2.32199 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

[ show close-approach data ]
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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