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277151 (2005 MM18)
Classification: Main-belt Asteroid          SPK-ID: 2277151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213344407161331 4.9456e-08  
a 2.20023780006733 9.7935e-09 au
q 1.730829370998014 1.0862e-07 au
i 1.965719699420886 4.8298e-06 deg
node 232.1204825305739 0.00014238 deg
peri 110.6913547158799 0.00014312 deg
M 173.6955651629266 1.2471e-05 deg
tp 2458425.339452357392
(2018-Nov-02.83945236)
3.9587e-05 TDB
period 1192.073021306667
3.26
7.9591e-06
2.179e-08
d
yr
n .3019949227652122 2.0163e-09 deg/d
Q 2.669646229136645 1.1883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2002-10-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:09:51  

Additional Information
 Earth MOID = .724149 au 
 Jupiter MOID = 2.73952 au 
 T_jup = 3.635 
[ 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 17.8   n/a MPO455057  

277151 (2005 MM18)          Discovered 2005-Jun-28 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 MM18 = 2002 UT36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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