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469835 (2005 ST249)
Classification: Main-belt Asteroid          SPK-ID: 2469835
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361359672909607 9.4696e-08  
a 2.397520568078807 2.3023e-08 au
q 1.831379729635545 2.381e-07 au
i 3.315751750264081 1.1706e-05 deg
node 147.5421037130183 0.0001099 deg
peri 229.0466737061051 0.00011542 deg
M 331.8382674711329 3.7151e-05 deg
tp 2459106.571523812021
(2020-Sep-14.07152381)
0.00014119 TDB
period 1355.944579517101
3.71
1.9532e-05
5.348e-08
d
yr
n .2654975766990481 3.8243e-09 deg/d
Q 2.96366140652207 2.846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      5020 days (13.74 yr)  
   first obs. used      2005-08-29  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:44  

Additional Information
 Earth MOID = .834789 au 
 Jupiter MOID = 2.50005 au 
 T_jup = 3.487 
[ 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 18.0   n/a MPO440884  

469835 (2005 ST249)          Discovered 2005-Sep-23 by CSS at Catalina
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 ST249 = 2009 WH202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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