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 ]  
(2012 MS4)
Classification: Apollo [NEO, PHA]          SPK-ID: 3605890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .720595977485688 2.1612e-08  
a 2.264096588041279 6.9599e-09 au
q .6325976940596623 5.0375e-08 au
i 67.67299748608869 1.9802e-05 deg
node 265.8350970006964 2.7082e-06 deg
peri 257.5998649085788 8.0142e-06 deg
M 140.0277802258882 2.3071e-06 deg
tp 2458516.491982486484
(2019-Feb-01.99198249)
7.2644e-06 TDB
period 1244.34512940063
3.41
5.7377e-06
1.571e-08
d
yr
n .2893088030757215 1.334e-09 deg/d
Q 3.895595482022895 1.1975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      6444 days (17.64 yr)  
   first obs. used      2001-11-20  
   last obs. used      2019-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-19 06:07:25  

Additional Information
 Earth MOID = .0345182 au 
 Jupiter MOID = 3.45905 au 
 T_jup = 2.646 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.7   n/a MPO312405  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-28 19:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin