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85178 (1990 TQ)
Classification: Main-belt Asteroid          SPK-ID: 2085178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2683979373739752 4.7442e-08  
a 2.299880852937986 6.5075e-09 au
q 1.682597575803532 1.089e-07 au
i 6.876884311550557 4.1993e-06 deg
node 356.7647868472165 2.7586e-05 deg
peri 18.4290767930095 2.8231e-05 deg
M 288.4860631712102 5.9214e-06 deg
tp 2459649.572304076659
(2022-Mar-11.07230408)
2.1416e-05 TDB
period 1273.961880824886
3.49
5.407e-06
1.48e-08
d
yr
n .2825830234158193 1.1994e-09 deg/d
Q 2.91716413007244 8.2541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      16388 days (44.87 yr)  
   first obs. used      1976-09-24  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49179  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:45  

Additional Information
 Earth MOID = .684097 au 
 Jupiter MOID = 2.55845 au 
 T_jup = 3.534 
[ 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 15.61   n/a E2021B10  

85178 (1990 TQ)          Discovered 1990-Oct-10 by Endate, K., Watanabe, K. at Kitami
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1990 TQ = 1976 SH1 = 1990 SY27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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