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14385 (1990 QG1)
Classification: Main-belt Asteroid          SPK-ID: 2014385
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375102775854338 7.7738e-08  
a 2.359887651618463 1.4341e-08 au
q 2.035378845573971 1.8349e-07 au
i 6.602893026787759 7.6952e-06 deg
node 344.1642130227514 4.5408e-05 deg
peri 351.7083873470917 5.02e-05 deg
M 57.57087132801311 2.5993e-05 deg
tp 2457388.744002154810
(2016-Jan-01.24400216)
9.4654e-05 JED
period 1324.144614555713
3.63
1.207e-05
3.305e-08
d
yr
n .271873627731205 2.4783e-09 deg/d
Q 2.684396457662955 1.6313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      9199 days (25.19 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55167  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:17:49  

Additional Information
 Earth MOID = 1.02537 au 
 Jupiter MOID = 2.66396 au 
 T_jup = 3.530 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO256970  
rotation period rot_per 3.7765 h n/a LCDB (Rev. 2016-February); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

14385 (1990 QG1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QG1 = 1972 TE6 = 1998 XM51 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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