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277290 (2005 SN104)
Classification: Main-belt Asteroid          SPK-ID: 2277290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106043915003338 4.6598e-08  
a 2.415131928380392 1.8792e-08 au
q 1.906494538210812 1.1134e-07 au
i 2.077055989501867 5.7429e-06 deg
node 166.1616397445016 0.00014909 deg
peri 236.5264734119198 0.00015069 deg
M 312.0713572151005 2.7057e-05 deg
tp 2459183.016590047985
(2020-Nov-29.51659005)
0.00010489 TDB
period 1370.912435642261
3.75
1.6e-05
4.381e-08
d
yr
n .2625988288094732 3.0649e-09 deg/d
Q 2.923769318549972 2.275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:35:44  

Additional Information
 Earth MOID = .916081 au 
 Jupiter MOID = 2.48334 au 
 T_jup = 3.486 
[ 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 17.0   n/a MPO437262  

277290 (2005 SN104)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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