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14546 (1997 TM18)
Classification: Main-belt Asteroid          SPK-ID: 2014546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166471107800943 3.8061e-08  
a 2.577674015907676 1.1306e-08 au
q 2.148565766929819 9.9004e-08 au
i 10.68869908095693 3.8324e-06 deg
node 26.90936413508309 2.3769e-05 deg
peri 246.3950532254547 2.9161e-05 deg
M 297.1640861234005 2.1934e-05 deg
tp 2459464.343167662092
(2021-Sep-06.84316766)
9.3029e-05 TDB
period 1511.612300966716
4.14
9.9453e-06
2.723e-08
d
yr
n .2381563048737898 1.5669e-09 deg/d
Q 3.006782264885532 1.3188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1631  
   data-arc span      18204 days (49.84 yr)  
   first obs. used      1971-05-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53275  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:32:02  

Additional Information
 Earth MOID = 1.15747 au 
 Jupiter MOID = 2.16011 au 
 T_jup = 3.383 
[ 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 13.95   n/a E2020-QM5  

14546 (1997 TM18)          Discovered 1997-Oct-03 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 TM18 = 4640 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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