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78626 (2002 TQ21)
Classification: Main-belt Asteroid          SPK-ID: 2078626
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229558886430874 4.5373e-08  
a 2.299610937393248 1.0548e-08 au
q 1.771714811380996 1.0482e-07 au
i 2.42328689519347 5.0181e-06 deg
node 108.9745910024506 0.00013337 deg
peri 185.7079095979726 0.00013387 deg
M 79.99248619797859 1.4179e-05 deg
tp 2458717.473781059432
(2019-Aug-21.97378106)
4.9144e-05 TDB
period 1273.737617886158
3.49
8.7636e-06
2.399e-08
d
yr
n .282632776911654 1.9446e-09 deg/d
Q 2.8275070634055 1.2969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      9277 days (25.40 yr)  
   first obs. used      1994-03-05  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:10  

Additional Information
 Earth MOID = .755693 au 
 Jupiter MOID = 2.37778 au 
 T_jup = 3.556 
[ 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 16.5   n/a MPO474677  

78626 (2002 TQ21)          Discovered 2002-Oct-02 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 TQ21 = 1995 UK62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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