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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456477.5 (2013-Jul-04.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2294359286204012 4.5341e-08  
q 1.771991016892294 1.0474e-07 au
tp 2456167.548174419015
(2012-Aug-28.04817442)
4.2895e-05 TDB
node 108.9968819842642 0.00013338 deg
peri 185.3123103489459 0.00013388 deg
i 2.42273909948514 5.0185e-06 deg
  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
 Jupiter MOID = 2.37778 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.055844839409018E-15 -4.734341072059024E-15 -2.547829557419453E-13 -4.275681310442837E-14 2.115291009333057E-14 2.187226273253496E-16
q -4.734341072059024E-15 1.096948985497816E-14 6.558636222589707E-13 9.775049068497668E-14 -2.851654534313354E-14 -4.08115871124209E-16
tp -2.547829557419453E-13 6.558636222589707E-13 1.839983272141627E-9 4.804568583749163E-12 5.246281308004533E-10 1.222918952843053E-13
node -4.275681310442837E-14 9.775049068497668E-14 4.804568583749163E-12 1.778950030484304E-8 -1.777230298752897E-8 1.270965473255589E-11
peri 2.115291009333057E-14 -2.851654534313354E-14 5.246281308004533E-10 -1.777230298752897E-8 1.792371600906442E-8 -1.2648798056324E-11
i 2.187226273253496E-16 -4.08115871124209E-16 1.222918952843053E-13 1.270965473255589E-11 -1.2648798056324E-11 2.518504567213538E-11

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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