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308459 (2005 SL277)
Classification: Main-belt Asteroid          SPK-ID: 2308459
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07919826265014801 6.2747e-08  
a 3.187499856505444 4.9411e-08 au
q 2.935055405672617 2.0825e-07 au
i 14.87294412701383 8.0047e-06 deg
node 213.1366986996666 2.8002e-05 deg
peri 306.1358241521678 6.0095e-05 deg
M 87.72511212230711 5.1539e-05 deg
tp 2458493.981725311708
(2019-Jan-10.48172531)
0.00030002 TDB
period 2078.613232589043
5.69
4.8332e-05
1.323e-07
d
yr
n .1731923930608281 4.0271e-09 deg/d
Q 3.439944307338271 5.3324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      8914 days (24.41 yr)  
   first obs. used      1994-12-04  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:10:19  

Additional Information
 Earth MOID = 1.96684 au 
 Jupiter MOID = 1.62092 au 
 T_jup = 3.141 
[ 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 16.1   n/a MPO471234  

308459 (2005 SL277)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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