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277315 (2005 SS209)
Classification: Main-belt Asteroid          SPK-ID: 2277315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389911998242425 6.4137e-08  
a 2.325940292846631 1.091e-08 au
q 2.002655060824327 1.5069e-07 au
i 6.069141585271155 8.5834e-06 deg
node 321.3650937844206 3.691e-05 deg
peri 52.20914294839262 4.5594e-05 deg
M 97.7799031250012 2.5705e-05 deg
tp 2458848.580467552564
(2019-Dec-31.08046755)
9.186e-05 TDB
period 1295.675569642527
3.55
9.116e-06
2.496e-08
d
yr
n .2778473318743851 1.9549e-09 deg/d
Q 2.649225524868934 1.2426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      2000-02-12  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:00:26  

Additional Information
 Earth MOID = 1.00756 au 
 Jupiter MOID = 2.83875 au 
 T_jup = 3.554 
[ 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 17.10   n/a MPCxxxxx  

277315 (2005 SS209)          Discovered 2005-Sep-30 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 SS209 = 2003 AJ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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