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8899 (1995 SX29)
Classification: Main-belt Asteroid          SPK-ID: 2008899
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2749552382227139 9.6516e-08  
a 2.675934071806416 2.5593e-08 AU
q 1.940171981624606 2.5316e-07 AU
i 12.47891511958881 6.9383e-06 deg
node 88.33536742278926 3.7373e-05 deg
peri 293.3632643441483 3.9366e-05 deg
M 122.1729918953199 1.749e-05 deg
tp 2456457.894427595658
(2013-Jun-14.39442760)
7.1546e-05 JED
period 1598.864061812714
4.38
2.2938e-05
6.28e-08
d
yr
n .2251598547983182 3.2302e-09 deg/d
Q 3.411696161988226 3.263e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      11873 days (32.51 yr)  
   first obs. used      1982-09-24  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55159  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:33:28  

Additional Information
 Earth MOID = .98284 AU 
 T_jup = 3.291 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO234891  

8899 (1995 SX29)          Discovered 1995-Sep-22 by McNaught, R. H. at Siding Spring
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 SX29 = 1991 XE1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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