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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412484103939522 5.0482e-08  
a 2.370115860743701 1.505e-08 au
q 2.035340762964159 1.2075e-07 au
i 7.823845661944655 5.0478e-06 deg
node 279.9015324653575 4.3081e-05 deg
peri 36.81238245388458 4.7258e-05 deg
M 56.90003299224028 2.1957e-05 deg
tp 2458789.849347270711
(2019-Nov-02.34934727)
8.0232e-05 TDB
period 1332.762583685775
3.65
1.2694e-05
3.475e-08
d
yr
n .2701156262988826 2.5727e-09 deg/d
Q 2.704890958523242 1.7175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      14756 days (40.40 yr)  
   first obs. used      1979-06-24  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:01:32  

Additional Information
 Earth MOID = 1.02729 au 
 Jupiter MOID = 2.55874 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

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Alternate Designations
 1979 MR7 = 2001 QL171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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