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JPL Small-Body Database Browser
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277323 (2005 SA239)
Classification: Main-belt Asteroid          SPK-ID: 2277323
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217032637650703 4.5308e-08  
a 2.213535243662465 1.5387e-08 au
q 1.944140780049733 9.8501e-08 au
i 3.61968807182359 8.2434e-06 deg
node 189.2662972287631 7.9997e-05 deg
peri 93.32735784369528 8.7759e-05 deg
M 96.40963642826806 3.4823e-05 deg
tp 2458278.358977427427
(2018-Jun-08.85897743)
0.00011575 TDB
period 1202.89602183504
3.29
1.2542e-05
3.434e-08
d
yr
n .2992777376142732 3.1205e-09 deg/d
Q 2.482929707275197 1.7259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      7353 days (20.13 yr)  
   first obs. used      1998-05-24  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:13:02  

Additional Information
 Earth MOID = .931303 au 
 Jupiter MOID = 2.6311 au 
 T_jup = 3.643 
[ 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 17.6   n/a MPO455058  

277323 (2005 SA239)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
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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