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213886 (2003 SM271)
Classification: Main-belt Asteroid          SPK-ID: 2213886
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130413903301946 5.0728e-08  
a 2.24713983365268 8.5799e-09 au
q 1.768406039224951 1.1159e-07 au
i 6.284417120977112 5.0196e-06 deg
node 87.80388273503509 4.5433e-05 deg
peri 260.4306521145299 4.7406e-05 deg
M 59.27042205328571 1.5443e-05 deg
tp 2458997.928150487814
(2020-May-28.42815049)
5.2128e-05 TDB
period 1230.392214160797
3.37
7.0467e-06
1.929e-08
d
yr
n .2925896278086758 1.6757e-09 deg/d
Q 2.725873628080409 1.0408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      7334 days (20.08 yr)  
   first obs. used      2001-01-03  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:30  

Additional Information
 Earth MOID = .773319 au 
 Jupiter MOID = 2.71383 au 
 T_jup = 3.592 
[ 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 17.29   n/a MPCxxxxx  

213886 (2003 SM271)          Discovered 2003-Sep-25 by NEAT at Haleakala
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2003 SM271 = 2006 MB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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