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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04706791823843352 5.5744e-08  
a 3.089227143171759 1.8616e-08 au
q 2.943823652577001 1.756e-07 au
i 14.85428133156068 6.2357e-06 deg
node 343.0016772980306 1.4086e-05 deg
peri 18.48198895276954 4.4373e-05 deg
M 315.3302667565025 4.1412e-05 deg
tp 2458846.584380047731
(2019-Dec-29.08438005)
0.000228 TDB
period 1983.230487056443
5.43
1.7927e-05
4.908e-08
d
yr
n .1815220179144787 1.6408e-09 deg/d
Q 3.234630633766517 1.9492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1593  
   data-arc span      11718 days (32.08 yr)  
   first obs. used      1987-09-22  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:47:49  

Additional Information
 Earth MOID = 1.94052 au 
 Jupiter MOID = 2.03616 au 
 T_jup = 3.172 
[ 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 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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