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JPL Small-Body Database Browser
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233548 (2007 JW28)
Classification: Main-belt Asteroid          SPK-ID: 2233548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365798477538222 7.3025e-08  
a 2.227997851136808 1.5882e-08 au
q 1.9236982438327 1.5889e-07 au
i 7.933079496738584 7.8477e-06 deg
node 48.64228334254084 3.3505e-05 deg
peri 162.9685477371576 3.8463e-05 deg
M 231.2967130460575 1.9527e-05 deg
tp 2459034.767887463986
(2020-Jul-04.26788746)
6.7588e-05 TDB
period 1214.70432641694
3.33
1.2988e-05
3.556e-08
d
yr
n .2963684183639206 3.1689e-09 deg/d
Q 2.532297458440916 1.8051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2000-03-04  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:13:03  

Additional Information
 Earth MOID = .918871 au 
 Jupiter MOID = 2.43371 au 
 T_jup = 3.619 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368596211074193 7.2966e-08  
q 1.922681786847962 1.5877e-07 au
tp 2457820.462135238407
(2017-Mar-07.96213524)
6.3329e-05 TDB
node 48.65095700289324 3.3517e-05 deg
peri 163.0574056581253 3.8445e-05 deg
i 7.9325278979337 7.8467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2000-03-04  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:13:03  

Additional Information
 Jupiter MOID = 2.43371 au 
 T_jup = 3.619 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.324069114396078E-15 -1.154603796823968E-14 1.816808660490758E-12 -3.315214657408952E-14 4.611413975252789E-13 -2.28160399375785E-15
q -1.154603796823968E-14 2.520808966135512E-14 -3.863277547861114E-12 7.003110691113004E-14 -9.995207520586936E-13 5.025866789046076E-15
tp 1.816808660490758E-12 -3.863277547861114E-12 4.010614127985816E-9 -2.138892145747013E-11 1.197744200233573E-9 -2.441965932831763E-12
node -3.315214657408952E-14 7.003110691113004E-14 -2.138892145747013E-11 1.123389791698772E-9 -1.11679178829476E-9 -3.305235841508747E-11
peri 4.611413975252789E-13 -9.995207520586936E-13 1.197744200233573E-9 -1.11679178829476E-9 1.477982963013262E-9 3.194312410723519E-11
i -2.28160399375785E-15 5.025866789046076E-15 -2.441965932831763E-12 -3.305235841508747E-11 3.194312410723519E-11 6.1571317329364E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO454689  

233548 (2007 JW28)          Discovered 2007-May-10 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2007 JW28 = 2008 SA100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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