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
JPL Small-Body Database Browser
Search: [ help ]  
120441 (1979 MZ7)
Classification: Main-belt Asteroid          SPK-ID: 2120441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925976806806746 4.9614e-08  
a 2.299051946413037 1.1276e-08 au
q 1.856259873769495 1.1269e-07 au
i 3.024759060959588 5.2351e-06 deg
node 160.1659144239921 7.0021e-05 deg
peri 176.3102185194744 7.0751e-05 deg
M 289.4052022790607 1.1361e-05 deg
tp 2459450.184625080211
(2021-Aug-23.68462508)
4.1329e-05 TDB
period 1273.273214609899
3.49
9.3677e-06
2.565e-08
d
yr
n .282735862083061 2.0801e-09 deg/d
Q 2.741844019056578 1.3448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      14938 days (40.90 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:28  

Additional Information
 Earth MOID = .844895 au 
 Jupiter MOID = 2.63677 au 
 T_jup = 3.566 
[ 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 17.21   n/a E2021B55  
diameter diameter 2.214 km 0.550 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120441 (1979 MZ7)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1979 MZ7 = 2000 QE183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 15:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin