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385205 (1999 SU28)
Classification: Main-belt Asteroid          SPK-ID: 2385205
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06215787570211782 6.6362e-08  
a 2.235336650694758 1.5691e-08 au
q 2.096392873008485 1.4389e-07 au
i 7.835899015062566 1.0811e-05 deg
node 352.8643333636555 3.9509e-05 deg
peri 109.8774533893011 0.00010466 deg
M 29.43108305705822 9.4102e-05 deg
tp 2459100.703208507258
(2020-Sep-08.20320851)
0.00031884 TDB
period 1220.710935704791
3.34
1.2853e-05
3.519e-08
d
yr
n .2949101130089818 3.1052e-09 deg/d
Q 2.374280428381031 1.6666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      7866 days (21.54 yr)  
   first obs. used      1999-09-21  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:44  

Additional Information
 Earth MOID = 1.12755 au 
 Jupiter MOID = 2.68497 au 
 T_jup = 3.624 
[ 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 18.11   n/a MPCxxxxx  

385205 (1999 SU28)          Discovered 1999-Sep-21 by Pauwels, T. at Uccle
Reference: Last Updated: 2014-02-19

Alternate Designations
 1999 SU28 = 2009 SE65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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