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JPL Small-Body Database Browser
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442296 (2011 SJ30)
Classification: Main-belt Asteroid          SPK-ID: 2442296
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742586641031355 3.3964e-07  
a 2.574065946326565 7.2043e-08 au
q 2.125512653206325 9.3061e-07 au
i 3.878458458201376 1.1485e-05 deg
node 180.6200874369513 6.9958e-05 deg
peri 176.5281938497602 0.00011136 deg
M 321.0213471195537 5.7939e-05 deg
tp 2458763.824845270056
(2019-Oct-07.32484527)
0.00023668 TDB
period 1508.439618925768
4.13
6.3327e-05
1.734e-07
d
yr
n .2386572160285562 1.0019e-08 deg/d
Q 3.022619239446805 8.4597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4366 days (11.95 yr)  
   first obs. used      2007-10-20  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:21  

Additional Information
 Earth MOID = 1.12054 au 
 Jupiter MOID = 2.42245 au 
 T_jup = 3.403 
[ 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 17.8   n/a MPO446754  

442296 (2011 SJ30)          Discovered 2007-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SJ30 = 2007 VP53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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