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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825140766477654 2.166e-07  
a 2.5530690748597 3.6173e-08 au
q 2.087098030043717 5.6904e-07 au
i 1.824606260030073 2.0654e-05 deg
node 185.3618352982262 0.00065104 deg
peri 88.7352416866771 0.00065349 deg
M 77.65574109452044 6.5239e-05 deg
tp 2458679.087071087332
(2019-Jul-14.58707109)
0.00026892 TDB
period 1490.020606045381
4.08
3.1667e-05
8.67e-08
d
yr
n .2416073969308822 5.1348e-09 deg/d
Q 3.019040119675683 4.2775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      8156 days (22.33 yr)  
   first obs. used      1995-09-18  
   last obs. used      2018-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:10:59  

Additional Information
 Earth MOID = 1.07176 au 
 Jupiter MOID = 2.09664 au 
 T_jup = 3.415 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455580.5 (2011-Jan-19.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809202860575581 2.107e-07  
q 2.091927187135266 5.514e-07 au
tp 2455692.284595657202
(2011-May-10.78459566)
0.00027048 TDB
node 185.6454802870742 0.00064922 deg
peri 87.55912620776364 0.00065184 deg
i 1.824378930800238 2.063e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      8156 days (22.33 yr)  
   first obs. used      1995-09-18  
   last obs. used      2018-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:10:59  

Additional Information
 Jupiter MOID = 2.09664 au 
 T_jup = 3.415 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.439281135739894E-14 -1.160487536187927E-13 3.748499700744677E-11 8.421018038378411E-13 9.390256225236874E-12 -1.104546444113371E-14
q -1.160487536187927E-13 3.040367591439823E-13 -9.554912286892294E-11 -2.193157162530326E-12 -2.406687548075314E-11 2.935368516568291E-14
tp 3.748499700744677E-11 -9.554912286892294E-11 7.316118028430775E-8 1.324539324680035E-9 1.64534322344673E-8 -2.209470745922716E-11
node 8.421018038378411E-13 -2.193157162530326E-12 1.324539324680035E-9 4.21490474631853E-7 -4.209563646059939E-7 -9.985128348558152E-9
peri 9.390256225236874E-12 -2.406687548075314E-11 1.64534322344673E-8 -4.209563646059939E-7 4.2489382376855E-7 9.975217260831014E-9
i -1.104546444113371E-14 2.935368516568291E-14 -2.209470745922716E-11 -9.985128348558152E-9 9.975217260831014E-9 4.255982861050572E-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

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