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233984 (1995 SF16)
Classification: Main-belt Asteroid          SPK-ID: 2233984
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825144295033147 1.0791e-07  
a 2.553069043984249 2.6412e-08 au
q 2.087097103938891 2.7173e-07 au
i 1.824630970857551 1.2246e-05 deg
node 185.3610766124922 0.00035525 deg
peri 88.73611713216457 0.00035814 deg
M 77.65565215155657 6.0535e-05 deg
tp 2458679.087445047955
(2019-Jul-14.58744505)
0.00024723 TDB
period 1490.020579016113
4.08
2.3122e-05
6.33e-08
d
yr
n .2416074013136881 3.7492e-09 deg/d
Q 3.019040984029608 3.1233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70274  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:50:19  

Additional Information
 Earth MOID = 1.07176 au 
 Jupiter MOID = 2.09664 au 
 T_jup = 3.415 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456731.5 (2014-Mar-15.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817139179092732 1.0778e-07  
q 2.090170493268992 2.7103e-07 au
tp 2457189.376934979141
(2015-Jun-15.87693498)
0.0002337 TDB
node 185.3960892174218 0.00035527 deg
peri 88.88978862663933 0.00035817 deg
i 1.823810872921178 1.2245e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      9164 days (25.09 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70274  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:50:19  

Additional Information
 Jupiter MOID = 2.09664 au 
 T_jup = 3.415 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.161678211525558E-14 -2.912216608418506E-14 1.044704090164648E-11 7.604766716447772E-14 2.050145168350527E-12 2.007712198824262E-15
q -2.912216608418506E-14 7.345500013598477E-14 -2.361647545547994E-11 -1.774877601394881E-13 -4.671332053942706E-12 -4.305581703124917E-15
tp 1.044704090164648E-11 -2.361647545547994E-11 5.461554352719521E-8 4.414263926009509E-10 1.07846441335191E-8 -4.914764592234398E-12
node 7.604766716447772E-14 -1.774877601394881E-13 4.414263926009509E-10 1.262140478936149E-7 -1.260603890585745E-7 -9.700118120289463E-10
peri 2.050145168350527E-12 -4.671332053942706E-12 1.07846441335191E-8 -1.260603890585745E-7 1.282875184942809E-7 9.688248964256886E-10
i 2.007712198824262E-15 -4.305581703124917E-15 -4.914764592234398E-12 -9.700118120289463E-10 9.688248964256886E-10 1.499348126802587E-10

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 17.5   n/a MPO287965  

233984 (1995 SF16)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

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Alternate Designations
 1995 SF16 = 2003 QV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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