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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
19701 Aomori (1999 SH19)
Classification: Main-belt Asteroid          SPK-ID: 2019701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04276260082416358 4.4491e-08  
a 2.644582669770426 1.597e-08 au
q 2.531493436716533 1.211e-07 au
i 20.95892251422701 5.205e-06 deg
node 247.8965901702094 1.3244e-05 deg
peri 148.5343899033112 6.308e-05 deg
M 347.4073109796337 6.3538e-05 deg
tp 2459451.447776872472
(2021-Aug-24.94777687)
0.00027734 TDB
period 1570.847945351263
4.30
1.4229e-05
3.896e-08
d
yr
n .2291755870231597 2.076e-09 deg/d
Q 2.75767190282432 1.6653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      10788 days (29.54 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:45:19  

Additional Information
 Earth MOID = 1.55365 au 
 Jupiter MOID = 2.49653 au 
 T_jup = 3.298 
[ 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 14.18   n/a E2021B10  
diameter diameter 3.984 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.7783 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.280   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19701 Aomori           Discovered 1999 Sept. 29 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Aomori prefecture, Japan, is located in northernmost Tohoku Region, Honshu. The southeastern coast of Aomori was damaged during the March 2011 tsunami.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

Alternate Designations
 1999 SH19 = 1998 KE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 09:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin