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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219480816326308 7.6791e-08  
a 2.707012163219324 5.5358e-08 au
q 2.106196006636597 1.8113e-07 au
i 3.017462903349024 6.2504e-06 deg
node 37.33508152413076 0.00016159 deg
peri 23.88688512163568 0.00016331 deg
M 219.2208283723945 2.821e-05 deg
tp 2459236.664810256744
(2021-Jan-22.16481026)
0.00014174 TDB
period 1626.798403802506
4.45
4.9902e-05
1.366e-07
d
yr
n .2212935537424489 6.7882e-09 deg/d
Q 3.307828319802052 6.7645e-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 = 1.11909 au 
 Jupiter MOID = 2.04015 au 
 T_jup = 3.327 
[ 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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