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JPL Small-Body Database Browser
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14850 Nagashimacho (1989 QH)
Classification: Main-belt Asteroid          SPK-ID: 2014850
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504341757888933 3.6854e-08  
a 2.171502063561361 6.1057e-09 au
q 1.844833940405627 7.8705e-08 au
i 2.781779765210093 3.3345e-06 deg
node 306.6094225403056 9.4183e-05 deg
peri 28.94961682622536 9.5356e-05 deg
M 224.2419681622175 1.6683e-05 deg
tp 2459441.259649311734
(2021-Aug-14.75964931)		 5.502e-05 TDB
period 1168.796214884902
3.20		 4.9295e-06
1.35e-08		 d
yr
n .3080092110286747 1.2991e-09 deg/d
Q 2.498170186717096 7.0242e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      11088 days (30.36 yr)  
   first obs. used      1989-08-29  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:35:44  

Additional Information
 Earth MOID = .835516 au 
 Jupiter MOID = 2.847 au 
 T_jup = 3.672 
[ 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 15.1   n/a MPO458963  
diameter diameter 3.395 km 0.221 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14850 Nagashimacho           Discovered 1989 Aug. 29 by K. Endate and K. Watanabe at Kitami.
Nagashimacho, a town located in the northwestern part of Kagoshima Prefecture, has been settled for a long time, and has more than 200 ancient tombs. It is a beautiful town with an indented coastline and flowers in full bloom throughout the year.
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 2014-10-08Last Updated: 2015-01-12

Alternate Designations
 1989 QH = 1998 HU93 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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