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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443693995202734 3.8814e-08  
a 2.430083149690166 7.8544e-09 au
q 2.079253504585062 9.6197e-08 au
i 5.667847211977197 3.9487e-06 deg
node 348.9341474104074 3.6756e-05 deg
peri 326.2928811202636 3.8435e-05 deg
M 331.1371263159086 1.1307e-05 deg
tp 2459111.434644470279
(2020-Sep-18.93464447)
4.3454e-05 TDB
period 1383.662363159378
3.79
6.7083e-06
1.837e-08
d
yr
n .260179079510406 1.2614e-09 deg/d
Q 2.78091279479527 8.9883e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2018  
   data-arc span      15491 days (42.41 yr)  
   first obs. used      1978-06-01  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:11:21  

Additional Information
 Earth MOID = 1.06866 au 
 Jupiter MOID = 2.50441 au 
 T_jup = 3.487 
[ 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 14.0   n/a MPO324399  
rotation period rot_per 4.356 h n/a LCDB (Rev. 2019-August); 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

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