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310383 (1995 SM)
Classification: Main-belt Asteroid          SPK-ID: 2310383
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230270086692826 4.0747e-08  
a 2.458455950587514 1.3495e-08 au
q 1.910153873982783 1.0516e-07 au
i 1.187045592203052 9.086e-06 deg
node 325.2845354429889 0.00020425 deg
peri 66.58403401037954 0.00020578 deg
M 124.868245150987 2.6496e-05 deg
tp 2458512.138317504624
(2019-Jan-28.63831750)
0.00010094 TDB
period 1407.965696048269
3.85
1.1593e-05
3.174e-08
d
yr
n .2556880476636685 2.1053e-09 deg/d
Q 3.006758027192245 1.6505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      10479 days (28.69 yr)  
   first obs. used      1991-07-17  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:54:32  

Additional Information
 Earth MOID = .916376 au 
 Jupiter MOID = 2.438 au 
 T_jup = 3.456 
[ show covariance matrix ]

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 17.2   n/a MPO455286  

310383 (1995 SM)          Discovered 1995-Sep-17 by Wolf, M. at Ondrejov
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Alternate Designations
 1995 SM = 1999 VF86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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