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79725 (1998 SN125)
Classification: Main-belt Asteroid          SPK-ID: 2079725
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0614251282157576 7.9896e-08  
a 2.508183597977244 9.6563e-09 au
q 2.354118098882832 2.0028e-07 au
i 6.632248582491382 4.3056e-06 deg
node 54.58378578008158 3.9954e-05 deg
peri 71.25644120300602 0.00013819 deg
M 58.44729526358716 0.00012723 deg
tp 2458764.941201932430
(2019-Oct-08.44120193)
0.00051272 TDB
period 1450.899770842886
3.97
8.3788e-06
2.294e-08
d
yr
n .248121894588805 1.4329e-09 deg/d
Q 2.662249097071657 1.0249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      10805 days (29.58 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:43:12  

Additional Information
 Earth MOID = 1.37968 au 
 Jupiter MOID = 2.37685 au 
 T_jup = 3.451 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06122212251516992 8.2945e-08  
q 2.354835104762157 2.0836e-07 au
tp 2457317.885004523915
(2015-Oct-22.38500452)
0.00050727 TDB
node 54.635412385991 3.9973e-05 deg
peri 72.29715981397598 0.00013684 deg
i 6.630516743706534 4.3028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1586  
   data-arc span      10805 days (29.58 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:43:12  

Additional Information
 Jupiter MOID = 2.37685 au 
 T_jup = 3.451 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.879793275787361E-15 -1.72659983557516E-14 3.957400406986527E-11 2.150139268423429E-13 1.022448595910709E-11 -4.593428284835267E-14
q -1.72659983557516E-14 4.341388554007671E-14 -9.943021539656628E-11 -5.401580256295177E-13 -2.569454245714329E-11 1.155075464724976E-13
tp 3.957400406986527E-11 -9.943021539656628E-11 2.57322299939047E-7 1.367716236514739E-9 6.643124218390229E-8 -2.842947590852114E-10
node 2.150139268423429E-13 -5.401580256295177E-13 1.367716236514739E-9 1.597830458433649E-9 -1.226579319380316E-9 -1.027444629331568E-10
peri 1.022448595910709E-11 -2.569454245714329E-11 6.643124218390229E-8 -1.226579319380316E-9 1.872618230974937E-8 2.712426168689432E-11
i -4.593428284835267E-14 1.155075464724976E-13 -2.842947590852114E-10 -1.027444629331568E-10 2.712426168689432E-11 1.851390468214474E-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 14.8   n/a MPO459363  
diameter diameter 3.033 km 0.727 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79725 (1998 SN125)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2003-Jul-26 09:15 < 00:01 Eunom 0.0221646141645395 0.0221633600539307 0.0221658683574386 6.7952244187186 6.7952243255156 2452846.885187000 0.421635343998088 107.973047477713 40.2823362327801 -61.4939953461078 73774.8249285094 T 24 CATAB v2.0f-lin.ifort 2020-May-20 14:43:31 2020-May-20 14:43
2124-Dec-20 19:18 00:04 Amphi 0.0378282506798387 0.0378214774367125 0.0378350368724939 2.34809869722481 2.34809863250452 2497189.304464412 4.44504657810715 1162.52208920503 46.351328624984 -73.2812634722764 116763.471618346 T 24 CATAB v2.0f-lin.ifort 2020-May-20 14:43:31 2020-May-20 14:43
2156-Apr-10 02:34 00:02 Thisb 0.0362827734781956 0.0362706041686075 0.0362949648305939 5.11233502566233 5.11233498890407 2508622.606861790 1.86019354170026 1540.82370042992 57.7985738507096 66.8882997314902 86352.3132769883 T 24 CATAB v2.0f-lin.ifort 2020-May-20 14:43:31 2020-May-20 14:43

Alternate Designations
 1998 SN125 = 1999 XW165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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