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JPL Small-Body Database Browser
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37489 (4396 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2037489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02872669172129747 4.1648e-08  
a 2.720210043238157 1.6846e-08 au
q 2.642067407908877 1.1513e-07 au
i 6.141584283942801 5.4605e-06 deg
node 54.85823960238637 4.5276e-05 deg
peri 248.842471871128 0.0001151 deg
M 232.2524376527195 0.00010773 deg
tp 2459582.003331865574
(2022-Jan-02.50333187)
0.00049097 TDB
period 1638.709934069149
4.49
1.5223e-05
4.168e-08
d
yr
n .2196850049636723 2.0407e-09 deg/d
Q 2.798352678567436 1.733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      17847 days (48.86 yr)  
   first obs. used      1971-03-26  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56229  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:32:42  

Additional Information
 Earth MOID = 1.63402 au 
 Jupiter MOID = 2.25237 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO431923  
diameter diameter 5.283 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37489 (4396 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4396 T-1 = 1998 FD70 = 2000 UW44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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