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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 ]

[ 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415051662748615 4.8577e-08  
q 2.034691131600557 1.1525e-07 au
tp 2457458.284692420251
(2016-Mar-10.78469242)
7.4055e-05 TDB
node 279.9335583122106 4.0358e-05 deg
peri 37.17742747031662 4.4711e-05 deg
i 7.820727971029411 5.0128e-06 deg
  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
 Jupiter MOID = 2.55713 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.35969587384183E-15 -5.565713453826797E-15 7.051581569783255E-13 2.105160515595454E-14 1.247108447924722E-13 -3.44342006111312E-15
q -5.565713453826797E-15 1.328198740848564E-14 -1.278940898677773E-12 -5.281454552981642E-14 -2.064370431151678E-13 8.314012147747116E-15
tp 7.051581569783255E-13 -1.278940898677773E-12 5.484103701212726E-9 5.305323097289998E-12 1.449099715133334E-9 -4.488813402706653E-12
node 2.105160515595454E-14 -5.281454552981642E-14 5.305323097289998E-12 1.628752121791732E-9 -1.61218340549517E-9 1.842216408544845E-11
peri 1.247108447924722E-13 -2.064370431151678E-13 1.449099715133334E-9 -1.61218340549517E-9 1.999060948032536E-9 -1.941395200523909E-11
i -3.44342006111312E-15 8.314012147747116E-15 -4.488813402706653E-12 1.842216408544845E-11 -1.941395200523909E-11 2.512848370918522E-11

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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