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442355 (2011 SE230)
Classification: Main-belt Asteroid          SPK-ID: 2442355
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2223646035341027 7.7283e-08  
a 2.703168734842959 5.3708e-08 au
q 2.102079690833822 1.8314e-07 au
i 3.015665408524244 6.2485e-06 deg
node 37.23833849340454 0.00016189 deg
peri 24.36322336243135 0.0001636 deg
M 307.4225189771061 3.0173e-05 deg
tp 2459237.585740930229
(2021-Jan-23.08574093)
0.00014139 TDB
period 1623.335030023939
4.44
4.838e-05
1.325e-07
d
yr
n .2217656819705856 6.6093e-09 deg/d
Q 3.304257778852096 6.5651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5696 days (15.59 yr)  
   first obs. used      2002-09-11  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:21:47  

Additional Information
 Earth MOID = 1.11541 au 
 Jupiter MOID = 2.04284 au 
 T_jup = 3.328 
[ 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 16.8   n/a MPO446754  

442355 (2011 SE230)          Discovered 2011-Sep-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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