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JPL Small-Body Database Browser
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277297 (2005 SY128)
Classification: Main-belt Asteroid          SPK-ID: 2277297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351170544996527 1.3232e-07  
a 2.333358807899192 1.6298e-08 au
q 1.784746357895113 3.1986e-07 au
i .9556320733445026 5.0855e-06 deg
node 36.4761962249735 0.00036221 deg
peri 316.5340034132164 0.00036271 deg
M 305.8930878092253 1.2248e-05 deg
tp 2458796.168522778646
(2019-Nov-08.66852278)
4.4962e-05 TDB
period 1301.879285810049
3.56
1.364e-05
3.734e-08
d
yr
n .276523333556231 2.8971e-09 deg/d
Q 2.881971257903272 2.0129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      7646 days (20.93 yr)  
   first obs. used      1998-11-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:22:55  

Additional Information
 Earth MOID = .778772 au 
 Jupiter MOID = 2.55255 au 
 T_jup = 3.532 
[ 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 17.7   n/a MPO440344  

277297 (2005 SY128)          Discovered 2005-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
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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