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85133 (1979 MX7)
Classification: Main-belt Asteroid          SPK-ID: 2085133
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817831573654639 4.8749e-08  
a 2.57846987856295 1.3816e-08 au
q 2.109747482866033 1.2538e-07 au
i 7.542610357066739 6.1873e-06 deg
node 278.9026496819604 4.0735e-05 deg
peri 82.20303610650119 4.4505e-05 deg
M .9033224382429489 2.0786e-05 deg
tp 2459392.705261812125
(2021-Jun-27.20526181)
8.7302e-05 TDB
period 1512.312425552325
4.14
1.2155e-05
3.328e-08
d
yr
n .2380460504835971 1.9132e-09 deg/d
Q 3.047192274259867 1.6327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      15386 days (42.12 yr)  
   first obs. used      1979-06-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52136  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:42  

Additional Information
 Earth MOID = 1.12173 au 
 Jupiter MOID = 2.47486 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456990.5 (2014-Nov-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181287892069333 4.8485e-08  
q 2.111846411051864 1.2467e-07 au
tp 2456370.487566065749
(2013-Mar-18.98756607)
7.7619e-05 TDB
node 278.9623642388281 4.0688e-05 deg
peri 82.71038389284332 4.4517e-05 deg
i 7.546135733685345 6.1897e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      15386 days (42.12 yr)  
   first obs. used      1979-06-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52136  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:42  

Additional Information
 Jupiter MOID = 2.47486 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.350829531476257E-15 -6.021148766859386E-15 4.014169225938979E-13 7.048764786368027E-16 4.927664669171018E-14 1.656936603856738E-15
q -6.021148766859386E-15 1.554148542789385E-14 -7.927290153488962E-13 -4.00846762027927E-15 -6.467880234533146E-14 -4.470361971709068E-15
tp 4.014169225938979E-13 -7.927290153488962E-13 6.024733730810924E-9 -2.27832728766489E-11 1.424935893715005E-9 2.880693808034936E-13
node 7.048764786368027E-16 -4.00846762027927E-15 -2.27832728766489E-11 1.655502831227762E-9 -1.646415574975765E-9 6.846367233019646E-12
peri 4.927664669171018E-14 -6.467880234533146E-14 1.424935893715005E-9 -1.646415574975765E-9 1.981723540204221E-9 -6.737511728862622E-12
i 1.656936603856738E-15 -4.470361971709068E-15 2.880693808034936E-13 6.846367233019646E-12 -6.737511728862622E-12 3.831204914134808E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.63   n/a MPO637169  
diameter diameter 4.411 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85133 (1979 MX7)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1979 MX7 = 2000 RY16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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