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9753 (1990 QL3)
Classification: Main-belt Asteroid          SPK-ID: 2009753
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441881879488815 4.4857e-08  
a 2.428873225793963 1.1986e-08 au
q 2.078658396609177 1.0702e-07 au
i 5.668272373451723 4.7105e-06 deg
node 348.9547831553148 3.8487e-05 deg
peri 326.4751361095393 4.2195e-05 deg
M 226.8070584699212 2.2319e-05 deg
tp 2459112.045663884644
(2020-Sep-19.54566388)
8.8099e-05 TDB
period 1382.629115949693
3.79
1.0235e-05
2.802e-08
d
yr
n .2603735129306352 1.9273e-09 deg/d
Q 2.779088054978749 1.3714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1777  
   data-arc span      14951 days (40.93 yr)  
   first obs. used      1978-06-01  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:44:52  

Additional Information
 Earth MOID = 1.06722 au 
 Jupiter MOID = 2.50478 au 
 T_jup = 3.488 
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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 14.0   n/a MPO324399  
rotation period rot_per 4.356 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

9753 (1990 QL3)          Discovered 1990-Aug-28 by Holt, H. E. at Palomar
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1990 QL3 = 1978 LC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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