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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388789466801467 7.5014e-08  
a 2.325617096963679 1.2532e-08 au
q 2.002637844156022 1.7853e-07 au
i 6.068998759094209 8.8618e-06 deg
node 321.3665477186119 4.2895e-05 deg
peri 52.16901519811692 5.0552e-05 deg
M 42.25390602964023 2.5705e-05 deg
tp 2458848.455713291634
(2019-Dec-30.95571329)
9.2173e-05 TDB
period 1295.405522429468
3.55
1.0471e-05
2.867e-08
d
yr
n .2779052534258448 2.2463e-09 deg/d
Q 2.648596349771335 1.4272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      2000-02-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:26:54  

Additional Information
 Earth MOID = 1.00901 au 
 Jupiter MOID = 2.83834 au 
 T_jup = 3.554 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457342.5 (2015-Nov-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400561614854655 7.5368e-08  
q 1.99971479169178 1.7967e-07 au
tp 2457551.977960471007
(2016-Jun-12.47796047)
8.8333e-05 TDB
node 321.4850705471795 4.2884e-05 deg
peri 51.81251520509473 5.0313e-05 deg
i 6.069737107143353 8.8653e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      2000-02-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:26:54  

Additional Information
 Jupiter MOID = 2.83834 au 
 T_jup = 3.554 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.680376755690529E-15 -1.351996009019545E-14 -4.304831810903952E-12 4.813539722600203E-14 -1.185979809644044E-12 -1.136421370207025E-14
q -1.351996009019545E-14 3.228106762376734E-14 1.017384767747769E-11 -1.165221166672246E-13 2.795568107200974E-12 2.72562394399369E-14
tp -4.304831810903952E-12 1.017384767747769E-11 7.802798839353717E-9 -4.959918854242168E-11 2.332328917250589E-9 1.275588379774869E-11
node 4.813539722600203E-14 -1.165221166672246E-13 -4.959918854242168E-11 1.83900083077514E-9 -1.841282278720531E-9 1.435278245562108E-10
peri -1.185979809644044E-12 2.795568107200974E-12 2.332328917250589E-9 -1.841282278720531E-9 2.531418651053995E-9 -1.393694364914073E-10
i -1.136421370207025E-14 2.72562394399369E-14 1.275588379774869E-11 1.435278245562108E-10 -1.393694364914073E-10 7.859372425615482E-11

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 17.0   n/a MPO245604  

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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