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48736 Ehime (1997 DL)
Classification: Main-belt Asteroid          SPK-ID: 2048736
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601015076724643 4.4649e-08  
a 2.254935791059212 9.3766e-09 au
q 1.893917171206031 1.0299e-07 au
i 4.970608218335868 5.0841e-06 deg
node 326.6263053993744 4.279e-05 deg
peri 158.3125159597425 4.472e-05 deg
M 330.7940434125896 1.4393e-05 deg
tp 2459100.838737279339
(2020-Sep-08.33873728)
4.9742e-05 TDB
period 1236.800627038285
3.39
7.7144e-06
2.112e-08
d
yr
n .2910735911107006 1.8155e-09 deg/d
Q 2.615954410912392 1.0878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      8376 days (22.93 yr)  
   first obs. used      1997-02-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:12:39  

Additional Information
 Earth MOID = .91023 au 
 Jupiter MOID = 2.44316 au 
 T_jup = 3.602 
[ 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 15.8   n/a MPO502481  
diameter diameter 2.578 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48736 Ehime           Discovered 1997 Feb. 27 by A. Nakamura at Kuma Kogen.
Ehime prefecture, where this minor planet was discovered, is located on the island of Shikoku. It is well known for its fisheries and culture of mandarin oranges and pearls, as well as for Japan's oldest hot spring spa, "Dogo Onsen". Ehime became a sister state of Hawaii in 2003.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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