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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412287970376827 4.8664e-08  
a 2.370582160223607 1.4478e-08 au
q 2.035787693456236 1.1548e-07 au
i 7.823575606287608 5.0145e-06 deg
node 279.9033384161929 4.0326e-05 deg
peri 36.88965869225837 4.4676e-05 deg
M 110.8370574622818 2.2211e-05 deg
tp 2458790.047002827585
(2019-Nov-02.54700283)
8.011e-05 TDB
period 1333.155917030311
3.65
1.2213e-05
3.344e-08
d
yr
n .2700359315824985 2.4738e-09 deg/d
Q 2.705376626990978 1.6522e-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 = 1.0258 au 
 Jupiter MOID = 2.55806 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 ]
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