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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07189611702928195 3.676e-08  
a 2.325427984064651 1.4196e-08 au
q 2.158238741579171 9.0051e-08 au
i 7.260289507897293 7.934e-06 deg
node 170.1232110075557 3.0515e-05 deg
peri 278.895971610428 6.5329e-05 deg
M 339.0149503792832 5.7877e-05 deg
tp 2459076.002315061652
(2020-Aug-14.50231506)
0.00020839 TDB
period 1295.247517325931
3.55
1.186e-05
3.247e-08
d
yr
n .2779391546283203 2.545e-09 deg/d
Q 2.49261722655013 1.5216e-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 = 1.18879 au 
 Jupiter MOID = 2.62405 au 
 T_jup = 3.560 
[ 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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