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134576 (1999 SX15)
Classification: Main-belt Asteroid          SPK-ID: 2134576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2885333249641732 3.204e-08  
a 2.346790199508734 1.115e-08 au
q 1.669663020251144 7.6196e-08 au
i 23.74682697621098 8.8395e-06 deg
node 355.6856249010301 1.065e-05 deg
peri 105.0181810252686 2.0184e-05 deg
M 267.9549033484631 1.5738e-05 deg
tp 2459536.243785681005
(2021-Nov-17.74378568)
5.8369e-05 TDB
period 1313.136356439947
3.60
9.3586e-06
2.562e-08
d
yr
n .2741527932224789 1.9539e-09 deg/d
Q 3.023917378766324 1.4367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51851  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:59  

Additional Information
 Earth MOID = .825532 au 
 Jupiter MOID = 2.41162 au 
 T_jup = 3.394 
[ 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 15.11   n/a E2021B55  

134576 (1999 SX15)          Discovered 1999-Sep-30 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 SX15 = 1997 ET50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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