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JPL Small-Body Database Browser
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277149 (2005 MM9)
Classification: Main-belt Asteroid          SPK-ID: 2277149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404314955002476 6.2551e-08  
a 2.355542349980679 1.6736e-08 au
q 2.024750015058725 1.5221e-07 au
i 7.053262930619444 5.7809e-06 deg
node 276.9206063761738 4.8086e-05 deg
peri 69.0654064532269 5.1349e-05 deg
M 258.1045029786326 2.0846e-05 deg
tp 2458974.255242719004
(2020-May-04.75524272)
7.809e-05 TDB
period 1320.489043305083
3.62
1.4073e-05
3.853e-08
d
yr
n .2726262681430113 2.9055e-09 deg/d
Q 2.686334684902633 1.9086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5154 days (14.11 yr)  
   first obs. used      2005-06-18  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:32  

Additional Information
 Earth MOID = 1.02882 au 
 Jupiter MOID = 2.71157 au 
 T_jup = 3.531 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO437261  

277149 (2005 MM9)          Discovered 2005-Jun-28 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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