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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501464729636584 3.6858e-08  
a 2.171979631897063 6.1415e-09 au
q 1.845864550818814 7.8721e-08 au
i 2.781407900056511 3.3464e-06 deg
node 306.6079902075141 9.7862e-05 deg
peri 28.95362331434188 9.9056e-05 deg
M 101.0640644630252 1.6696e-05 deg
tp 2458272.271484424387
(2018-Jun-02.77148442)
5.3689e-05 TDB
period 1169.181807945699
3.20
4.959e-06
1.358e-08
d
yr
n .3079076304073999 1.306e-09 deg/d
Q 2.498094712975313 7.0636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      10996 days (30.11 yr)  
   first obs. used      1989-08-29  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:52:19  

Additional Information
 Earth MOID = .835634 au 
 Jupiter MOID = 2.84435 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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