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5379 Abehiroshi (1991 HG)
Classification: Main-belt Asteroid          SPK-ID: 2005379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05447204691202429 1.4796e-08  
a 2.395768084619307 7.7476e-09 au
q 2.265265693123593 3.7175e-08 au
i 3.801083847275939 6.4126e-07 deg
node 34.03085831194855 6.7959e-06 deg
peri 214.193271124638 1.6468e-05 deg
M 16.00529319834499 1.898e-05 deg
tp 2459336.281945121515
(2021-May-01.78194512)
7.132e-05 TDB
period 1354.45814628978
3.71
6.5702e-06
1.799e-08
d
yr
n .2657889437086967 1.2893e-09 deg/d
Q 2.526270476115021 8.1696e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2920  
   data-arc span      14541 days (39.81 yr)  
   first obs. used      1981-09-03  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42339  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:43:58  

Additional Information
 Earth MOID = 1.25295 au 
 Jupiter MOID = 2.46716 au 
 T_jup = 3.524 
[ 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 12.97   n/a E2021B10  
diameter diameter 6.254 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5379 Abehiroshi           Discovered 1991 Apr. 16 by S. Otomo and O. Muramatsu at Kiyosato.
Named in honor of Hiroshi Abe (b. 1958), a resident of Shimane. Discoverer of numerous minor planets at Yatsuka Observatory since 1993, he is also an active confirmer of new objects in collaboration with S. Nakano.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

Alternate Designations
 1991 HG = 1981 RW3 = 1981 TR3 = 1981 UE16 = 1983 CF8 = 1983 EU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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