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 ]  
531277 (2012 MM11)
Classification: Apollo [NEO, PHA]          SPK-ID: 2531277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6477658809705727 1.3962e-08  
a 2.111849671209373 4.8866e-09 au
q .7438655084610191 2.819e-08 au
i 3.181722636322791 4.7266e-06 deg
node 245.5045983975944 7.9792e-05 deg
peri 124.1217070010601 7.963e-05 deg
M 187.9781718581568 4.4789e-06 deg
tp 2459536.141213699988
(2021-Nov-17.64121370)
1.5746e-05 TDB
period 1120.967257556374
3.07
3.8907e-06
1.065e-08
d
yr
n .3211512179086957 1.1147e-09 deg/d
Q 3.479833833957727 8.052e-09 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      2387 days (6.54 yr)  
   first obs. used      2012-06-24  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36003  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 11:14:05  

Additional Information
 Earth MOID = .0111489 au 
 Jupiter MOID = 2.00527 au 
 T_jup = 3.433 
[ 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 20.3   n/a MPO463335  

531277 (2012 MM11)          Discovered 2012-Jun-24 by LINEAR at Socorro
Reference: Last Updated: 2019-05-29

[ 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 2020-Feb-19 08:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin