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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365057507728788 1.6697e-08  
a 2.360553118353736 6.8103e-09 au
q 2.038324042693599 3.9329e-08 au
i 6.599148865802802 5.1952e-07 deg
node 344.0846453408328 3.1823e-06 deg
peri 351.7699775451145 7.7613e-06 deg
M 132.502232422583 5.7592e-06 deg
tp 2458712.926842918290
(2019-Aug-17.42684292)
2.065e-05 TDB
period 1324.704749046175
3.63
5.7328e-06
1.57e-08
d
yr
n .2717586694387638 1.1761e-09 deg/d
Q 2.682782194013873 7.74e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2008  
   data-arc span      11168 days (30.58 yr)  
   first obs. used      1990-08-16  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:27:50  

Additional Information
 Earth MOID = 1.02718 au 
 Jupiter MOID = 2.67557 au 
 T_jup = 3.530 
[ 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 14.14   n/a E2021B10  
diameter diameter 3.084 km 0.453 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.78 h n/a LCDB (Rev. 2020-October); 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. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.512   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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