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277280 (2005 SA77)
Classification: Main-belt Asteroid          SPK-ID: 2277280
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022054617319395 6.9173e-08  
a 2.445939856045308 2.9119e-08 au
q 2.195951443689644 1.6645e-07 au
i 6.635758277783243 1.0088e-05 deg
node 15.20135822240062 5.5544e-05 deg
peri 69.00600387977055 8.0473e-05 deg
M 235.8295568189961 6.7468e-05 deg
tp 2459482.428730727794
(2021-Sep-24.92873073)
0.00026743 TDB
period 1397.227380505539
3.83
2.4951e-05
6.831e-08
d
yr
n .2576531243395376 4.601e-09 deg/d
Q 2.695928268400972 3.2095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4994 days (13.67 yr)  
   first obs. used      2005-09-24  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46448  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:43  

Additional Information
 Earth MOID = 1.22199 au 
 Jupiter MOID = 2.49214 au 
 T_jup = 3.482 
[ 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 MPO433793  

277280 (2005 SA77)          Discovered 2005-Sep-24 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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