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14127 (1998 QA91)
Classification: Main-belt Asteroid          SPK-ID: 2014127
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995362758621833 3.0749e-08  
a 2.602795814043803 8.6402e-09 au
q 2.083443630479823 7.8624e-08 au
i 13.77823935814231 3.8812e-06 deg
node 166.6747775234245 1.3944e-05 deg
peri 154.1558174056401 1.7015e-05 deg
M 89.52146715785527 1.0511e-05 deg
tp 2458619.097735989283
(2019-May-15.59773599)		 4.4123e-05 TDB
period 1533.764128348626
4.20		 7.6372e-06
2.091e-08		 d
yr
n .2347166642811011 1.1687e-09 deg/d
Q 3.122147997607783 1.0364e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2331  
   data-arc span      14281 days (39.10 yr)  
   first obs. used      1981-09-28  
   last obs. used      2020-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:55:37  

Additional Information
 Earth MOID = 1.08028 au 
 Jupiter MOID = 2.28564 au 
 T_jup = 3.345 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO350915  
diameter diameter 6.076 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14127 (1998 QA91)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QA91 = 2000 AA193 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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