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JPL Small-Body Database Browser
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172964 (2005 MR34)
Classification: Main-belt Asteroid          SPK-ID: 2172964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04606617684871169 4.2623e-08  
a 2.792494170871944 2.2485e-08 au
q 2.66385464054756 1.1657e-07 au
i 4.255232927741406 5.6946e-06 deg
node 139.4694013818236 6.8687e-05 deg
peri 112.7060299144503 9.8914e-05 deg
M 122.8217919989441 7.004e-05 deg
tp 2458418.986544120416
(2018-Oct-27.48654412)
0.00033349 TDB
period 1704.460101986217
4.67
2.0586e-05
5.636e-08
d
yr
n .2112105760530798 2.551e-09 deg/d
Q 2.921133701196327 2.3521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      9800 days (26.83 yr)  
   first obs. used      1992-11-18  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:44:35  

Additional Information
 Earth MOID = 1.65286 au 
 Jupiter MOID = 2.0873 au 
 T_jup = 3.323 
[ 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 15.8   n/a MPO493967  

172964 (2005 MR34)          Discovered 2005-Jun-29 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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