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14237 (1999 YU9)
Classification: Main-belt Asteroid          SPK-ID: 2014237
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04717600044402956 5.5532e-08  
a 3.089366504476358 1.8327e-08 au
q 2.943622548889411 1.7519e-07 au
i 14.8542055516849 6.2239e-06 deg
node 342.9987151312373 1.3822e-05 deg
peri 18.80388413861226 4.4023e-05 deg
M 27.64758457535061 4.0914e-05 deg
tp 2458848.179880534195
(2019-Dec-30.67988053)
0.00022551 TDB
period 1983.364689896948
5.43
1.7649e-05
4.832e-08
d
yr
n .1815097353672788 1.6151e-09 deg/d
Q 3.235110460063305 1.9192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1687  
   data-arc span      11807 days (32.33 yr)  
   first obs. used      1987-09-22  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:53:39  

Additional Information
 Earth MOID = 1.94138 au 
 Jupiter MOID = 2.03461 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04943510110245306 5.678e-08  
q 2.936382955556863 1.7983e-07 au
tp 2456842.917632078744
(2014-Jul-04.41763208)
0.00020873 TDB
node 343.1790829953564 1.3773e-05 deg
peri 14.88520437774785 4.0839e-05 deg
i 14.8877635425369 6.2325e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1687  
   data-arc span      11807 days (32.33 yr)  
   first obs. used      1987-09-22  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:53:39  

Additional Information
 Jupiter MOID = 2.03461 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.223929721090963E-15 -1.016411595141194E-14 -2.691893802245494E-12 3.815427392966116E-15 -5.399134772496629E-13 1.863575764835447E-15
q -1.016411595141194E-14 3.233978672953969E-14 7.832727579623331E-12 -1.205618773567055E-14 1.584332861089172E-12 -3.875917920654424E-15
tp -2.691893802245494E-12 7.832727579623331E-12 4.356670765308659E-8 -2.770046188416569E-11 8.033526970137183E-9 -1.328430942703628E-11
node 3.815427392966116E-15 -1.205618773567055E-14 -2.770046188416569E-11 1.896945776705655E-10 -1.878755710138939E-10 6.491558326278225E-12
peri -5.399134772496629E-13 1.584332861089172E-12 8.033526970137183E-9 -1.878755710138939E-10 1.667798905838605E-9 -8.712841884707948E-12
i 1.863575764835447E-15 -3.875917920654424E-15 -1.328430942703628E-11 6.491558326278225E-12 -8.712841884707948E-12 3.88445057642997E-11

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 12.6   n/a MPO502277  
diameter diameter 7.758 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14237 (1999 YU9)          Discovered 1999-Dec-31 by Kobayashi, T. at Oizumi
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 YU9 = 1987 SM14 = 1995 EQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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