Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504341752486572 3.68e-08  
a 2.171502063299554 6.0545e-09 au
q 1.844833941356329 7.862e-08 au
i 2.78177938687775 3.3121e-06 deg
node 306.6094449820415 9.1092e-05 deg
peri 28.94959536165463 9.2259e-05 deg
M 224.241967525576 1.6544e-05 deg
tp 2459441.259651298980
(2021-Aug-14.75965130)
5.4606e-05 TDB
period 1168.796214673528
3.20
4.8882e-06
1.338e-08
d
yr
n .3080092110843775 1.2882e-09 deg/d
Q 2.49817018524278 6.9653e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      11112 days (30.42 yr)  
   first obs. used      1989-08-29  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:05:45  

Additional Information
 Earth MOID = .835516 au 
 Jupiter MOID = 2.847 au 
 T_jup = 3.672 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456615.5 (2013-Nov-19.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509167963563524 3.6883e-08  
q 1.843601297833144 7.8839e-08 au
tp 2457102.649106485683
(2015-Mar-21.14910649)
5.0128e-05 TDB
node 306.7132458387204 9.1009e-05 deg
peri 28.74860455619601 9.2166e-05 deg
i 2.783593416333547 3.3135e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      11112 days (30.42 yr)  
   first obs. used      1989-08-29  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:05:45  

Additional Information
 Jupiter MOID = 2.847 au 
 T_jup = 3.672 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.360343132995923E-15 -2.902146938863913E-15 8.337965387366687E-13 5.677616458821333E-15 2.089658880708774E-13 -7.885916158227745E-16
q -2.902146938863913E-15 6.215636416655723E-15 -1.721783157844539E-12 -1.171870212739554E-14 -4.330833643561725E-13 1.664689191407703E-15
tp 8.337965387366687E-13 -1.721783157844539E-12 2.512849295907147E-9 -1.682223215773552E-12 7.471936567499098E-10 -1.374874316541003E-12
node 5.677616458821333E-15 -1.171870212739554E-14 -1.682223215773552E-12 8.282722456778555E-9 -8.273314635299824E-9 1.461065277438225E-11
peri 2.089658880708774E-13 -4.330833643561725E-13 7.471936567499098E-10 -8.273314635299824E-9 8.494505329207614E-9 -1.50036269852869E-11
i -7.885916158227745E-16 1.664689191407703E-15 -1.374874316541003E-12 1.461065277438225E-11 -1.50036269852869E-11 1.097939720407492E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 10:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin