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295620 (2008 SM223)
Classification: Main-belt Asteroid          SPK-ID: 2295620
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649406532589667 6.7898e-08  
a 2.209080555244187 1.9627e-08 au
q 1.84471336536053 1.6221e-07 au
i 4.971087610040348 5.2689e-06 deg
node 219.6517320350997 6.4331e-05 deg
peri 36.433789800983 6.7522e-05 deg
M 292.4607584800167 2.1865e-05 deg
tp 2459225.493221776910
(2021-Jan-10.99322178)
7.4611e-05 TDB
period 1199.266648792945
3.28
1.5983e-05
4.376e-08
d
yr
n .3001834499127762 4.0006e-09 deg/d
Q 2.573447745127844 2.2864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:17  

Additional Information
 Earth MOID = .83288 au 
 Jupiter MOID = 2.47254 au 
 T_jup = 3.636 
[ 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 18.2   n/a MPO460240  

295620 (2008 SM223)          Discovered 2008-Sep-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 SM223 = 2004 HE27 = 2005 UV356 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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