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JPL Small-Body Database Browser
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442363 (2011 SN245)
Classification: Main-belt Asteroid          SPK-ID: 2442363
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049259449071911 2.244e-07  
a 2.622769614760686 9.0531e-08 au
q 2.085296073181983 6.4964e-07 au
i 7.620832232371167 1.2682e-05 deg
node 191.8713069189712 7.9187e-05 deg
peri 171.7877404048578 8.646e-05 deg
M 286.2151085831401 4.1534e-05 deg
tp 2458918.482766953566
(2020-Mar-09.98276695)		 0.00019154 TDB
period 1551.453067221377
4.25		 8.0328e-05
2.199e-07		 d
yr
n .2320405351640789 1.2014e-08 deg/d
Q 3.160243156339389 1.0908e-07 au
   Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3367 days (9.22 yr)  
   first obs. used      2007-10-20  
   last obs. used      2017-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54221  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:23  

Additional Information
 Earth MOID = 1.08278 au 
 Jupiter MOID = 2.30212 au 
 T_jup = 3.361 
[ 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 17.6   n/a MPO408997  

442363 (2011 SN245)          Discovered 2007-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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