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308974 (2006 TQ99)
Classification: Main-belt Asteroid          SPK-ID: 2308974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08958015583591118 5.0247e-08  
a 2.754599952015184 2.9802e-08 au
q 2.507842459048071 1.4404e-07 au
i 4.491366161120376 6.5161e-06 deg
node 47.02586339564608 7.1325e-05 deg
peri 268.4536602105146 9.2453e-05 deg
M 56.26669989497064 5.0167e-05 deg
tp 2458739.503205469149
(2019-Sep-13.00320547)
0.00023464 TDB
period 1669.883718193767
4.57
2.71e-05
7.42e-08
d
yr
n .215583873342627 3.4986e-09 deg/d
Q 3.001357444982298 3.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      2000-05-01  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:55:04  

Additional Information
 Earth MOID = 1.49928 au 
 Jupiter MOID = 2.22561 au 
 T_jup = 3.334 
[ 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 16.8   n/a MPO494639  

308974 (2006 TQ99)          Discovered 2006-Oct-15 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2006 TQ99 = 2000 JK4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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