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 ]  
212295 (2005 MT54)
Classification: Main-belt Asteroid          SPK-ID: 2212295
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09092103356185377 5.2776e-08  
a 3.083209800498024 4.4127e-08 au
q 2.802881178748707 1.686e-07 au
i 14.16825986910019 5.9248e-06 deg
node 302.3302093425245 2.3828e-05 deg
peri 260.5062972391135 4.0873e-05 deg
M 288.7011369273046 3.6256e-05 deg
tp 2458992.136488077501
(2020-May-22.63648808)
0.00020233 TDB
period 1977.438764544529
5.41
4.2451e-05
1.162e-07
d
yr
n .1820536779468467 3.9083e-09 deg/d
Q 3.363538422247341 4.8139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1998-03-04  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:37:48  

Additional Information
 Earth MOID = 1.84597 au 
 Jupiter MOID = 1.84991 au 
 T_jup = 3.174 
[ 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 15.1   n/a MPO433387  
diameter diameter 7.042 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212295 (2005 MT54)          Discovered 2005-Jun-27 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin