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JPL Small-Body Database Browser
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201608 (2003 SK198)
Classification: Main-belt Asteroid          SPK-ID: 2201608
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .226419327267957 1.0948e-07  
a 2.726501233782878 2.8158e-08 au
q 2.109168658634504 3.037e-07 au
i 7.557496058002587 8.309e-06 deg
node 305.122327616415 6.8945e-05 deg
peri 42.66886282044681 7.0345e-05 deg
M 269.5001976755543 2.2111e-05 deg
tp 2459413.882516292529
(2021-Jul-18.38251629)
0.00010553 TDB
period 1644.398131741688
4.50
2.5473e-05
6.974e-08
d
yr
n .2189250845345469 3.3914e-09 deg/d
Q 3.343833808931252 3.4533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6608 days (18.09 yr)  
   first obs. used      2001-02-22  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57268  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:24:24  

Additional Information
 Earth MOID = 1.10917 au 
 Jupiter MOID = 2.11099 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456316.5 (2013-Jan-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222666632613322 1.0926e-07  
q 2.122357491475454 3.0191e-07 au
tp 2456124.089743938780
(2012-Jul-15.58974394)
7.8619e-05 TDB
node 305.1862850665497 6.9055e-05 deg
peri 42.94292923329569 7.0522e-05 deg
i 7.545022034415345 8.2843e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6608 days (18.09 yr)  
   first obs. used      2001-02-22  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57268  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:24:24  

Additional Information
 Jupiter MOID = 2.11099 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.193829130400274E-14 -3.290333740208421E-14 3.019787742225404E-12 -8.834974182037782E-14 3.412613688979516E-13 -3.977536141495575E-14
q -3.290333740208421E-14 9.115142718785692E-14 -7.684995504602114E-12 2.465014626653708E-13 -8.183262802667146E-13 1.108208817203266E-13
tp 3.019787742225404E-12 -7.684995504602114E-12 6.181012313504096E-9 -2.209580725916974E-11 1.242345615179303E-9 -1.681046298388671E-11
node -8.834974182037782E-14 2.465014626653708E-13 -2.209580725916974E-11 4.768624675680988E-9 -4.7292431126342E-9 2.523117922696852E-10
peri 3.412613688979516E-13 -8.183262802667146E-13 1.242345615179303E-9 -4.7292431126342E-9 4.973344315138345E-9 -2.523913851403103E-10
i -3.977536141495575E-14 1.108208817203266E-13 -1.681046298388671E-11 2.523117922696852E-10 -2.523913851403103E-10 6.863004939632641E-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 15.9   n/a MPO287838  

201608 (2003 SK198)          Discovered 2003-Sep-21 by LONEOS at Anderson Mesa
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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