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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427599786052367 4.4677e-08  
a 2.392892293184789 8.9522e-09 au
q 1.811993811286614 1.0432e-07 au
i 4.483252334488743 4.6046e-06 deg
node 207.1558184651587 5.6111e-05 deg
peri 165.7368893793208 5.6938e-05 deg
M 69.30075347882047 1.1607e-05 deg
tp 2458940.233297884424
(2020-Mar-31.73329788)
4.2598e-05 TDB
period 1352.020116061831
3.70
7.5872e-06
2.077e-08
d
yr
n .2662682276123297 1.4942e-09 deg/d
Q 2.973790775082965 1.1125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      11096 days (30.38 yr)  
   first obs. used      1990-10-23  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:34  

Additional Information
 Earth MOID = .811578 au 
 Jupiter MOID = 2.49578 au 
 T_jup = 3.486 
[ 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 15.81   n/a MPCxxxxx  
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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