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 ]  
53285 Mojmir (1999 FM53)
Classification: Main-belt Asteroid          SPK-ID: 2053285
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239180998505481 4.5979e-08  
a 2.915198758857526 1.7296e-08 au
q 2.553952867973225 1.4004e-07 au
i 2.715935146166028 3.8654e-06 deg
node 286.3244889020546 0.00011808 deg
peri 311.421581295716 0.00011969 deg
M 336.0281408796395 1.8993e-05 deg
tp 2458721.559785041992
(2019-Aug-26.05978504)
9.5909e-05 TDB
period 1818.028480657194
4.98
1.618e-05
4.43e-08
d
yr
n .1980166998648253 1.7623e-09 deg/d
Q 3.276444649741826 1.9439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      1999-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:48:48  

Additional Information
 Earth MOID = 1.54285 au 
 Jupiter MOID = 1.74212 au 
 T_jup = 3.269 
[ 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 14.8   n/a MPO347883  
diameter diameter 7.239 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

53285 Mojmír           Discovered 1999 Mar. 24 at Ondřejov.
Mojmír, a Moravian prince, was the first sufficiently well-known ruler of the Great Moravian Empire. He ruled from A.D. 830 through 845 or 846. He promoted Christianity in his empire, trying to attach Moravia to Western Europe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030910/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 FM53 = 2000 QA11 
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-19 13:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin