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227255 (2005 SB78)
Classification: Main-belt Asteroid          SPK-ID: 2227255
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 .1820570072492674 4.3145e-08  
a 2.315314976655155 9.6113e-09 au
q 1.89379566116591 9.9835e-08 au
i 2.819143637589141 6.022e-06 deg
node 33.73215473889326 9.816e-05 deg
peri 55.65491485393935 9.994e-05 deg
M 54.07790062791601 1.7993e-05 deg
tp 2459007.200437519116
(2020-Jun-06.70043752)
6.4012e-05 TDB
period 1286.807396091771
3.52
8.0127e-06
2.194e-08
d
yr
n .2797621470729609 1.742e-09 deg/d
Q 2.7368342921444 1.1361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      10752 days (29.44 yr)  
   first obs. used      1991-09-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:03  

Additional Information
 Earth MOID = .911658 au 
 Jupiter MOID = 2.46486 au 
 T_jup = 3.558 
[ 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 17.6   n/a MPO294376  

227255 (2005 SB78)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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