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JPL Small-Body Database Browser
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266790 (2009 SR268)
Classification: Main-belt Asteroid          SPK-ID: 2266790
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07526904423079271 7.2392e-08  
a 2.731347521114073 2.8992e-08 au
q 2.525761603737672 2.019e-07 au
i 6.243252120585675 7.9452e-06 deg
node 9.177678016053932 6.2056e-05 deg
peri 15.79846242345885 8.0554e-05 deg
M 30.30149773732357 4.784e-05 deg
tp 2458461.720453944399
(2018-Dec-09.22045394)
0.00021935 TDB
period 1648.784393864396
4.51
2.6252e-05
7.187e-08
d
yr
n .2183426779994184 3.4764e-09 deg/d
Q 2.936933438490474 3.1174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      9927 days (27.18 yr)  
   first obs. used      1991-10-10  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:58:27  

Additional Information
 Earth MOID = 1.52882 au 
 Jupiter MOID = 2.41543 au 
 T_jup = 3.341 
[ 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 16.5   n/a MPO460147  

266790 (2009 SR268)          Discovered 2009-Sep-24 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SR268 = 2005 XA29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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