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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2295507465572331 3.5925e-08  
a 2.647771048898408 1.0365e-08 au
q 2.03997322791115 9.6564e-08 au
i 2.207202597913959 4.8665e-06 deg
node 6.500386836606996 9.2768e-05 deg
peri 291.6266551214395 9.3287e-05 deg
M 67.9923961369297 8.9366e-06 deg
tp 2458703.280761973484
(2019-Aug-07.78076197)
3.9024e-05 TDB
period 1573.689585436301
4.31
9.2403e-06
2.53e-08
d
yr
n .2287617604714535 1.3432e-09 deg/d
Q 3.255568869885665 1.2744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1814  
   data-arc span      17574 days (48.11 yr)  
   first obs. used      1972-10-05  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:45:45  

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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