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150207 (1998 SV18)
Classification: Main-belt Asteroid          SPK-ID: 2150207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267344393834141 7.9045e-08  
a 2.303833867349722 7.291e-09 au
q 2.011858773738632 1.8126e-07 au
i 6.544701963445218 6.5797e-06 deg
node 167.2759631012139 3.6304e-05 deg
peri 208.2571324563236 3.8476e-05 deg
M 124.4756250468834 1.1696e-05 deg
tp 2458758.871614946726
(2019-Oct-02.37161495)
4.1419e-05 TDB
period 1277.247803007994
3.50
6.0632e-06
1.66e-08
d
yr
n .2818560338504233 1.338e-09 deg/d
Q 2.595808960960812 8.215e-09 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:39:10  

Additional Information
 Earth MOID = 1.01329 au 
 Jupiter MOID = 2.87045 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457510.5 (2016-May-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127435644238828 7.9422e-08  
q 2.0099679728569 1.8226e-07 au
tp 2457479.933976315745
(2016-Apr-01.43397632)
4.1136e-05 TDB
node 167.3472154461043 3.6274e-05 deg
peri 207.7305826159863 3.8376e-05 deg
i 6.548033407245516 6.5855e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:39:10  

Additional Information
 Jupiter MOID = 2.87045 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.307926842974129E-15 -1.446671672789401E-14 -5.341903738362333E-13 5.36013814009404E-14 -3.18943879095954E-13 -1.485207560584383E-14
q -1.446671672789401E-14 3.321743907476603E-14 1.200366970792522E-12 -1.226289425159338E-13 7.235940886427307E-13 3.432914721565711E-14
tp -5.341903738362333E-13 1.200366970792522E-12 1.692129816942121E-9 -3.273638235571731E-12 5.262877746487214E-10 1.949200841759499E-12
node 5.36013814009404E-14 -1.226289425159338E-13 -3.273638235571731E-12 1.315786844176369E-9 -1.308636934673439E-9 1.492203083211959E-10
peri -3.18943879095954E-13 7.235940886427307E-13 5.262877746487214E-10 -1.308636934673439E-9 1.472690734867261E-9 -1.474555866816486E-10
i -1.485207560584383E-14 3.432914721565711E-14 1.949200841759499E-12 1.492203083211959E-10 -1.474555866816486E-10 4.336862523010914E-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 16.31   n/a MPCxxxxx  

150207 (1998 SV18)          Discovered 1998-Sep-18 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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