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 ]  
15469 Ohmura (1999 BC)
Classification: Main-belt Asteroid          SPK-ID: 2015469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06758606559800857 3.696e-08  
a 2.907908389446163 1.5163e-08 au
q 2.711374302284055 1.0828e-07 au
i 2.091354004231598 4.6377e-06 deg
node 30.05018693914332 0.00010946 deg
peri 59.61659218879015 0.00011449 deg
M 64.39071637566651 3.3172e-05 deg
tp 2458276.540840473752
(2018-Jun-07.04084047)
0.00016667 TDB
period 1811.212920027747
4.96
1.4166e-05
3.878e-08
d
yr
n .1987618330342326 1.5546e-09 deg/d
Q 3.10444247660827 1.6188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1541  
   data-arc span      10163 days (27.82 yr)  
   first obs. used      1991-07-11  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:20:03  

Additional Information
 Earth MOID = 1.72863 au 
 Jupiter MOID = 2.02165 au 
 T_jup = 3.280 
[ 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 14.1   n/a MPO467860  
diameter diameter 5.517 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15469 Ohmura           Discovered 1999 Jan. 16 by T. Kobayashi at Oizumi.
Tsutomu Ohmura (b. 1965) is a computer engineer and amateur astronomer. He is a key member of Ota Astronomical Club and very active in the popularization of astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

[ show close-approach data ]
Alternate Designations
 1999 BC = 1991 NR9 = 2000 HK12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-26 03:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin