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 ]  
85132 (1979 MR7)
Classification: Main-belt Asteroid          SPK-ID: 2085132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411725074714356 4.8675e-08  
a 2.370879447368375 1.4516e-08 au
q 2.03617645087089 1.1553e-07 au
i 7.822837592275967 5.0141e-06 deg
node 279.9028068265086 4.033e-05 deg
peri 36.94735200200098 4.4681e-05 deg
M 163.6919193028629 2.2502e-05 deg
tp 2458790.200270068845
(2019-Nov-02.70027007)
8.0136e-05 TDB
period 1333.406705137206
3.65
1.2246e-05
3.353e-08
d
yr
n .2699851430272781 2.4795e-09 deg/d
Q 2.70558244386586 1.6565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      15198 days (41.61 yr)  
   first obs. used      1979-06-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:26  

Additional Information
 Earth MOID = 1.02758 au 
 Jupiter MOID = 2.55713 au 
 T_jup = 3.519 
[ 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 16.23   n/a MPCxxxxx  

85132 (1979 MR7)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1979 MR7 = 2001 QL171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-29 04:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin