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277282 (2005 SW77)
Classification: Main-belt Asteroid          SPK-ID: 2277282
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275747100278176 6.5345e-08  
a 2.44611852369731 2.0725e-08 au
q 2.134055662342953 1.5474e-07 au
i 6.474644196420965 6.4647e-06 deg
node 21.81619733311678 5.4004e-05 deg
peri 58.53884781792371 5.8153e-05 deg
M 242.9988476571331 2.1788e-05 deg
tp 2459454.653128109415
(2021-Aug-28.15312811)
8.6188e-05 TDB
period 1397.380477418496
3.83
1.7759e-05
4.862e-08
d
yr
n .2576248958802256 3.2742e-09 deg/d
Q 2.758181385051667 2.3369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      4999 days (13.69 yr)  
   first obs. used      2005-09-24  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:44  

Additional Information
 Earth MOID = 1.15768 au 
 Jupiter MOID = 2.478 au 
 T_jup = 3.479 
[ 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 17.4   n/a MPO433793  

277282 (2005 SW77)          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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