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JPL Small-Body Database Browser
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37749 Umbertobonori (1997 AG18)
Classification: Main-belt Asteroid          SPK-ID: 2037749
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308189723577816 3.8107e-08  
a 2.697145194620629 1.4014e-08 au
q 2.34430743196063 1.0354e-07 au
i 6.528378857339451 4.5782e-06 deg
node 242.2089890357646 3.9512e-05 deg
peri 246.9800013879384 4.4853e-05 deg
M 73.93465023401225 1.9399e-05 deg
tp 2458668.222879466861
(2019-Jul-03.72287947)
8.6771e-05 TDB
period 1617.912075235614
4.43
1.261e-05
3.452e-08
d
yr
n .2225090012679297 1.7342e-09 deg/d
Q 3.049982957280629 1.5847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      16039 days (43.91 yr)  
   first obs. used      1976-05-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:28:11  

Additional Information
 Earth MOID = 1.36863 au 
 Jupiter MOID = 2.05909 au 
 T_jup = 3.348 
[ 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 15.2   n/a MPO468208  
diameter diameter 5.091 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37749 Umbertobonori           Discovered 1997 Jan. 12 by Osservatorio San Vittore at Bologna.
Umberto Bonori (b. 1950) is an Italian amateur astronomer, who has been at the T.L.C. Observatory since its 1991 foundation. He collaborated in the design and construction of the observatory's electronic telescope control system. Bonori's interests in astronomy include high-resolution photography and planetary observations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13

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Alternate Designations
 1997 AG18 = 2000 UP14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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