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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680115353944081 4.8985e-08  
a 2.30027395896313 6.8115e-09 au
q 1.683774003393647 1.1212e-07 au
i 6.875167411945048 4.2516e-06 deg
node 356.7708691363831 3.1638e-05 deg
peri 18.51937859521178 3.2543e-05 deg
M 63.41791547354238 6.1195e-06 deg
tp 2458376.020217327869
(2018-Sep-14.52021733)
2.1545e-05 TDB
period 1274.288521761358
3.49
5.6601e-06
1.55e-08
d
yr
n .282510588341797 1.2548e-09 deg/d
Q 2.916773914532612 8.637e-09 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      15468 days (42.35 yr)  
   first obs. used      1976-09-24  
   last obs. used      2019-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:26:36  

Additional Information
 Earth MOID = .685296 au 
 Jupiter MOID = 2.5537 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO379167  

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

[ show close-approach data ]
Alternate Designations
 1990 TQ = 1976 SH1 = 1990 SY27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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