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3676 Hahn (1984 GA)
Classification: Main-belt Asteroid          SPK-ID: 2003676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05438039894073687 3.9127e-08  
a 2.154186103766168 6.1033e-09 au
q 2.037040604050772 8.3956e-08 au
i 3.073008372377166 3.811e-06 deg
node 359.038972501419 8.1077e-05 deg
peri 234.1755957118659 8.9615e-05 deg
M 357.7439208102457 3.6981e-05 deg
tp 2458607.737275342646
(2019-May-04.23727534)
0.00011863 TDB
period 1154.843826043383
3.16
4.9079e-06
1.344e-08
d
yr
n .3117304624932689 1.3248e-09 deg/d
Q 2.271331603481564 6.4352e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1963  
   data-arc span      25151 days (68.86 yr)  
   first obs. used      1950-10-10  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:32:57  

Additional Information
 Earth MOID = 1.02768 au 
 Jupiter MOID = 2.70885 au 
 T_jup = 3.699 
[ 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 13.8   n/a MPO337281  
diameter diameter 5.010 km 0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.685 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.194   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3676 Hahn (1984 GA)          Discovered 1984-Apr-03 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1984 GA = 1950 TN4 = 1981 JQ2 = 1982 UW9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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