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

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416929232417878 5.124e-08  
a 2.371077517088348 1.6027e-08 au
q 2.03511261245922 1.2205e-07 au
i 7.822653490117043 5.0702e-06 deg
node 279.9030234384352 4.3906e-05 deg
peri 36.8043898299179 4.8322e-05 deg
M 308.8941124968184 2.2879e-05 deg
tp 2458789.815202129911
(2019-Nov-02.31520213)
8.5847e-05 TDB
period 1333.573803263374
3.65
1.3521e-05
3.702e-08
d
yr
n .2699513136198746 2.7371e-09 deg/d
Q 2.707042421717476 1.8298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      14146 days (38.73 yr)  
   first obs. used      1979-06-24  
   last obs. used      2018-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:18:44  

Additional Information
 Earth MOID = 1.02624 au 
 Jupiter MOID = 2.55506 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 16.2   n/a MPO337900  

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 ]
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