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JPL Small-Body Database Browser
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266756 (2009 SN87)
Classification: Main-belt Asteroid          SPK-ID: 2266756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1926130950587668 1.2482e-07  
a 2.439796280007975 3.2283e-08 au
q 1.969859567202773 2.8803e-07 au
i 3.175590538589026 8.1748e-06 deg
node 1.677693690812465 0.00012268 deg
peri 335.7077285557371 0.00012467 deg
M 198.5002560586771 3.4152e-05 deg
tp 2459224.950634734631
(2021-Jan-10.45063473)
0.00014225 TDB
period 1391.966470152074
3.81
2.7627e-05
7.564e-08
d
yr
n .2586269193399965 5.1331e-09 deg/d
Q 2.909732992813177 3.8501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5965 days (16.33 yr)  
   first obs. used      2002-12-07  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:28:48  

Additional Information
 Earth MOID = .960301 au 
 Jupiter MOID = 2.47081 au 
 T_jup = 3.475 
[ 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 17.4   n/a MPO433731  

266756 (2009 SN87)          Discovered 2009-Sep-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 SN87 = 2006 YD30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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