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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85133 (1979 MX7)
Classification: Main-belt Asteroid          SPK-ID: 2085133
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817831573654639 4.8749e-08  
a 2.57846987856295 1.3816e-08 au
q 2.109747482866033 1.2538e-07 au
i 7.542610357066739 6.1873e-06 deg
node 278.9026496819604 4.0735e-05 deg
peri 82.20303610650119 4.4505e-05 deg
M .9033224382429489 2.0786e-05 deg
tp 2459392.705261812125
(2021-Jun-27.20526181)
8.7302e-05 TDB
period 1512.312425552325
4.14
1.2155e-05
3.328e-08
d
yr
n .2380460504835971 1.9132e-09 deg/d
Q 3.047192274259867 1.6327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      15386 days (42.12 yr)  
   first obs. used      1979-06-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52136  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:42  

Additional Information
 Earth MOID = 1.12173 au 
 Jupiter MOID = 2.47486 au 
 T_jup = 3.390 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.63   n/a MPO637169  
diameter diameter 4.411 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85133 (1979 MX7)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1979 MX7 = 2000 RY16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-24 22:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin