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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232005635907663 4.0777e-08  
a 2.458044709120136 1.3485e-08 au
q 1.909407744713221 1.0522e-07 au
i 1.187049291304773 9.0862e-06 deg
node 325.2849728549764 0.00020426 deg
peri 66.55747852849491 0.00020579 deg
M 176.041380882097 2.6759e-05 deg
tp 2458512.172121533871
(2019-Jan-28.67212153)
0.00010082 TDB
period 1407.612431839354
3.85
1.1584e-05
3.172e-08
d
yr
n .2557522169149793 2.1047e-09 deg/d
Q 3.006681673527052 1.6495e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:21:49  

Additional Information
 Earth MOID = .91447 au 
 Jupiter MOID = 2.43928 au 
 T_jup = 3.457 
[ 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 17.30   n/a E2021B25  

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

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