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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2295507854459215 3.7314e-08  
a 2.647771045739939 1.0686e-08 au
q 2.039973122509367 1.0075e-07 au
i 2.207200015146517 5.0435e-06 deg
node 6.500374955116569 9.3727e-05 deg
peri 291.6266571953108 9.4306e-05 deg
M 67.99240369628926 9.1532e-06 deg
tp 2458703.280729460622
(2019-Aug-07.78072946)
4.0069e-05 TDB
period 1573.68958262047
4.31
9.527e-06
2.608e-08
d
yr
n .2287617608807809 1.3849e-09 deg/d
Q 3.255568968970511 1.3139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1674  
   data-arc span      17228 days (47.17 yr)  
   first obs. used      1972-10-05  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:15:13  

Additional Information
 Earth MOID = 1.0255 au 
 Jupiter MOID = 1.9774 au 
 T_jup = 3.353 
[ 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 13.7   n/a MPO439166  
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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