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90675 (1978 UQ6)
Classification: Main-belt Asteroid          SPK-ID: 2090675
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1224887248550696 6.3198e-08  
a 2.390235470399642 1.3611e-08 au
q 2.097458575527032 1.5003e-07 au
i 7.782481849532885 7.1774e-06 deg
node 11.11408775844007 3.49e-05 deg
peri 23.67886100171513 4.1756e-05 deg
M 84.17985720712319 2.1678e-05 deg
tp 2458684.879545274481
(2019-Jul-20.37954527)
8.0924e-05 TDB
period 1349.769023979434
3.70
1.153e-05
3.157e-08
d
yr
n .2667122993670695 2.2782e-09 deg/d
Q 2.683012365272252 1.5279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      15072 days (41.26 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55443  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:15:56  

Additional Information
 Earth MOID = 1.10563 au 
 Jupiter MOID = 2.75817 au 
 T_jup = 3.510 
[ 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 16.2   n/a MPO453345  

90675 (1978 UQ6)          Discovered 1978-Oct-27 by Olmstead, C. M. at Palomar
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1978 UQ6 = 2000 SL242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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