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227100 (2005 MM50)
Classification: Main-belt Asteroid          SPK-ID: 2227100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220081748454182 5.8736e-08  
a 2.35233342522347 1.4437e-08 au
q 1.834627772053074 1.3781e-07 au
i 5.260619535496228 7.6128e-06 deg
node 132.742995380987 6.7514e-05 deg
peri 253.4816129453264 6.959e-05 deg
M 42.70455559578943 1.8188e-05 deg
tp 2459044.178594069304
(2020-Jul-13.67859407)
6.5841e-05 TDB
period 1317.791634871833
3.61
1.2132e-05
3.322e-08
d
yr
n .2731843111411261 2.515e-09 deg/d
Q 2.870039078393866 1.7615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:26  

Additional Information
 Earth MOID = .845706 au 
 Jupiter MOID = 2.59647 au 
 T_jup = 3.518 
[ 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 17.2   n/a MPO440185  

227100 (2005 MM50)          Discovered 2005-Jun-30 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 MM50 = 1998 RJ70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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