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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04706791760609814 5.5632e-08  
a 3.089227142788536 1.8508e-08 au
q 2.943823654165243 1.7537e-07 au
i 14.8542813921918 6.2316e-06 deg
node 343.0016766956376 1.3898e-05 deg
peri 18.48198860273074 4.4128e-05 deg
M 315.3302678481498 4.1104e-05 deg
tp 2458846.584373988084
(2019-Dec-29.08437399)
0.00022628 TDB
period 1983.230486687409
5.43
1.7822e-05
4.879e-08
d
yr
n .1815220179482558 1.6313e-09 deg/d
Q 3.234630631411829 1.9379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      11754 days (32.18 yr)  
   first obs. used      1987-09-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:05:35  

Additional Information
 Earth MOID = 1.94052 au 
 Jupiter MOID = 2.03616 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456839.5 (2014-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04947436477276416 5.6788e-08  
q 2.936383070749808 1.7986e-07 au
tp 2456842.917356554806
(2014-Jul-04.41735655)
0.00020939 TDB
node 343.1787822090043 1.3849e-05 deg
peri 14.8853824921872 4.0947e-05 deg
i 14.8875350994817 6.2401e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1632  
   data-arc span      11754 days (32.18 yr)  
   first obs. used      1987-09-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:05:35  

Additional Information
 Jupiter MOID = 2.03616 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.224882045253512E-15 -1.016661367807672E-14 -2.680204248790733E-12 3.092623129048187E-15 -5.372279092905462E-13 2.000649611910194E-15
q -1.016661367807672E-14 3.234800726894738E-14 7.822267991614869E-12 -9.762768778654524E-15 1.580282780428629E-12 -4.34496975311711E-15
tp -2.680204248790733E-12 7.822267991614869E-12 4.384436746923913E-8 -2.682724231453286E-11 8.077617778830299E-9 -1.364525376341739E-11
node 3.092623129048187E-15 -9.762768778654524E-15 -2.682724231453286E-11 1.917819831348166E-10 -1.897255167890643E-10 6.057813342304558E-12
peri -5.372279092905462E-13 1.580282780428629E-12 8.077617778830299E-9 -1.897255167890643E-10 1.676657342142067E-9 -8.358074868281482E-12
i 2.000649611910194E-15 -4.34496975311711E-15 -1.364525376341739E-11 6.057813342304558E-12 -8.358074868281482E-12 3.893830523415003E-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 12.5   n/a MPO416863  
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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