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38020 Hannadam (1998 MP)
Classification: Main-belt Asteroid          SPK-ID: 2038020
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605646536929808 3.9893e-08  
a 3.09781977213671 2.2984e-08 au
q 2.60041941322031 1.2663e-07 au
i 13.21132889152145 4.8605e-06 deg
node 85.22956209498328 2.169e-05 deg
peri 204.4056988507561 2.6988e-05 deg
M 344.2535204466187 1.7858e-05 deg
tp 2459087.609118865093
(2020-Aug-26.10911886)
9.9215e-05 TDB
period 1991.510717371726
5.45
2.2164e-05
6.068e-08
d
yr
n .1807672923172143 2.0118e-09 deg/d
Q 3.595220131053109 2.6675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8925 days (24.44 yr)  
   first obs. used      1994-12-01  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:02:22  

Additional Information
 Earth MOID = 1.59014 au 
 Jupiter MOID = 1.58362 au 
 T_jup = 3.163 
[ 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 14.0   n/a MPO474236  
diameter diameter 4.934 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

38020 Hannadam           Discovered 1998 June 17 by L. Tesi and A. Boattini at San Marcello Pistoiese.
Hanna Smigiel (b. 1971) is a Polish friend of the first discoverer, and Adam (b. 1992) is her son.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

[ show close-approach data ]
Alternate Designations
 1998 MP = 2000 YB16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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