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JPL Small-Body Database Browser
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277302 (2005 SY143)
Classification: Main-belt Asteroid          SPK-ID: 2277302
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07168784784804148 3.6771e-08  
a 2.325223643457173 1.425e-08 au
q 2.158533364692347 9.0062e-08 au
i 7.260429511891912 7.9342e-06 deg
node 170.127229857336 3.0515e-05 deg
peri 278.964367170874 6.5489e-05 deg
M 227.7386371088317 5.784e-05 deg
tp 2459076.301728238372
(2020-Aug-14.80172824)
0.00020901 TDB
period 1295.076796590698
3.55
1.1905e-05
3.259e-08
d
yr
n .2779757933643036 2.5554e-09 deg/d
Q 2.491913922221999 1.5272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      5121 days (14.02 yr)  
   first obs. used      2005-09-25  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61285  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:23:13  

Additional Information
 Earth MOID = 1.18909 au 
 Jupiter MOID = 2.62573 au 
 T_jup = 3.561 
[ 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 17.1   n/a MPO446374  

277302 (2005 SY143)          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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