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293908 (2007 SP)
Classification: Main-belt Asteroid          SPK-ID: 2293908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333878992636905 6.7278e-08  
a 3.120412731411733 2.9748e-08 au
q 2.392146159191874 2.1081e-07 au
i 25.74648394011652 7.2036e-06 deg
node 18.36763001861661 1.4312e-05 deg
peri 2.516504351069098 2.1018e-05 deg
M 94.34089105296174 1.3985e-05 deg
tp 2458472.888853881493
(2018-Dec-20.38885388)
7.5443e-05 TDB
period 2013.337063946457
5.51
2.8791e-05
7.883e-08
d
yr
n .1788076156976634 2.557e-09 deg/d
Q 3.848679303631593 3.6691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8516 days (23.32 yr)  
   first obs. used      1996-10-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:28:13  

Additional Information
 Earth MOID = 1.39498 au 
 Jupiter MOID = 1.61707 au 
 T_jup = 3.024 
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Orbital Elements at Epoch 2457714.5 (2016-Nov-22.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2324055862386098 6.7124e-08  
q 2.395232041892288 2.0947e-07 au
tp 2458473.188675392511
(2018-Dec-20.68867539)
7.587e-05 TDB
node 18.38613758690168 1.4305e-05 deg
peri 2.496307382348979 2.1117e-05 deg
i 25.75007075382131 7.2044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8516 days (23.32 yr)  
   first obs. used      1996-10-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:28:13  

Additional Information
 Jupiter MOID = 1.61707 au 
 T_jup = 3.024 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.50562996625498E-15 -1.397728037526691E-14 -1.168286438738507E-12 3.871590831798893E-15 -4.424577172311385E-13 -5.086016424843453E-15
q -1.397728037526691E-14 4.387653002679931E-14 4.157939085245126E-12 -5.924602450398609E-15 1.417966995610579E-12 1.77774104536913E-14
tp -1.168286438738507E-12 4.157939085245126E-12 5.756332507329694E-9 1.110664818009428E-11 1.181070847997685E-9 -2.953312169522788E-11
node 3.871590831798893E-15 -5.924602450398609E-15 1.110664818009428E-11 2.046314081386673E-10 -1.816121306667908E-10 -7.556915556962538E-12
peri -4.424577172311385E-13 1.417966995610579E-12 1.181070847997685E-9 -1.816121306667908E-10 4.45940703821074E-10 8.258934882685073E-13
i -5.086016424843453E-15 1.77774104536913E-14 -2.953312169522788E-11 -7.556915556962538E-12 8.258934882685073E-13 5.190296173223108E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO379965  
diameter diameter 6.012 km 1.495 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

293908 (2007 SP)          Discovered 2007-Sep-18 by Lowe, A. at Mayhill
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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Alternate Designations
 2007 SP = 1996 TB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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