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JPL Small-Body Database Browser
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120462 Amanohashidate (1990 UE2)
Classification: Main-belt Asteroid          SPK-ID: 2120462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426340188326824 4.9862e-08  
a 2.392394036029821 9.3374e-09 au
q 1.811917856436564 1.1782e-07 au
i 4.483568144440383 5.9213e-06 deg
node 207.1605101164241 5.6324e-05 deg
peri 165.7056398146435 5.7193e-05 deg
M 16.06992048444729 1.1429e-05 deg
tp 2458940.166472114829
(2020-Mar-31.66647211)
4.268e-05 TDB
period 1351.597853871319
3.70
7.9128e-06
2.166e-08
d
yr
n .2663514143418242 1.5593e-09 deg/d
Q 2.972870215623077 1.1603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      10044 days (27.50 yr)  
   first obs. used      1990-10-23  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59016  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:42:39  

Additional Information
 Earth MOID = .812939 au 
 Jupiter MOID = 2.49559 au 
 T_jup = 3.487 
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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 15.8   n/a MPO436581  
diameter diameter 4.356 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120462 Amanohashidate           Discovered 1990 Oct. 26 by T. Seki at Geisei.
Amanohashidate is a well-known tourist spot in Japan. It is a sandbar, separating Miyazu Bay and Aso-Umi Lagoon in northern Kyoto and designated as one of the three most scenic spots in Japan.
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 2016-04-22Last Updated: 2016-04-25

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Alternate Designations
 1990 UE2 = 2001 QL97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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