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11387 (1998 UA37)
Classification: Main-belt Asteroid          SPK-ID: 2011387
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 .2294728751923856 1.2506e-08  
a 2.648346555673179 9.3584e-09 au
q 2.040622857037004 3.2245e-08 au
i 2.207057762130874 2.3628e-07 deg
node 6.4964250031443 1.4266e-05 deg
peri 291.684285403531 1.4528e-05 deg
M 113.6854293554796 4.0955e-06 deg
tp 2458703.378032097839
(2019-Aug-07.87803210)
1.6494e-05 TDB
period 1574.202687709266
4.31
8.3441e-06
2.284e-08
d
yr
n .2286871968970282 1.2122e-09 deg/d
Q 3.256070254309355 1.1506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2052  
   data-arc span      17667 days (48.37 yr)  
   first obs. used      1972-10-05  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:43:32  

Additional Information
 Earth MOID = 1.02418 au 
 Jupiter MOID = 1.97665 au 
 T_jup = 3.352 
[ 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 13.73   n/a E2021B10  
diameter diameter 5.624 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.222   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11387 (1998 UA37)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UA37 = 1972 TH3 = 1981 UH7 = 1985 TY2 = 1989 RO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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