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277326 (2005 SR249)
Classification: Main-belt Asteroid          SPK-ID: 2277326
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1746240981764977 9.3861e-08  
a 2.282845222147687 1.251e-08 au
q 1.884205433953621 2.0795e-07 au
i 6.180506820449426 7.8537e-06 deg
node 19.15267212474881 3.7221e-05 deg
peri 336.4618283394558 4.0502e-05 deg
M 88.03001611616607 1.6198e-05 deg
tp 2458692.435675087563
(2019-Jul-27.93567509)
5.5453e-05 TDB
period 1259.833427976743
3.45
1.0356e-05
2.835e-08
d
yr
n .2857520621421753 2.3488e-09 deg/d
Q 2.681485010341754 1.4694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      5780 days (15.82 yr)  
   first obs. used      2004-03-29  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48723  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:12  

Additional Information
 Earth MOID = .882002 au 
 Jupiter MOID = 2.76189 au 
 T_jup = 3.576 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO503247  

277326 (2005 SR249)          Discovered 2005-Sep-23 by LONEOS at Anderson Mesa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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