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227090 (2005 MU17)
Classification: Main-belt Asteroid          SPK-ID: 2227090
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207452840469611 5.1721e-08  
a 2.344796361761303 1.114e-08 au
q 1.827193622852023 1.2195e-07 au
i 3.339201339038666 5.3684e-06 deg
node 127.2898212382574 0.00010112 deg
peri 236.6438142881738 0.00010188 deg
M 65.33640985825257 1.2588e-05 deg
tp 2458962.482499399916
(2020-Apr-22.98249940)
4.5141e-05 TDB
period 1311.463246938834
3.59
9.3456e-06
2.559e-08
d
yr
n .2745025457940189 1.9561e-09 deg/d
Q 2.862399100670583 1.3599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      10625 days (29.09 yr)  
   first obs. used      1991-11-13  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:45  

Additional Information
 Earth MOID = .825846 au 
 Jupiter MOID = 2.59772 au 
 T_jup = 3.526 
[ 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 17.3   n/a MPO437075  

227090 (2005 MU17)          Discovered 2005-Jun-27 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 MU17 = 1998 RX44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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