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351048 (2003 SQ240)
Classification: Main-belt Asteroid          SPK-ID: 2351048
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09506020391064773 5.771e-08  
a 2.608816372305927 2.0593e-08 au
q 2.360821755989089 1.6163e-07 au
i .6705464775037874 4.8876e-06 deg
node 287.8299558821487 0.0006603 deg
peri 170.419699744163 0.00066167 deg
M 309.9183163817599 4.3478e-05 deg
tp 2459414.611558865753
(2021-Jul-19.11155887)
0.00018688 TDB
period 1539.088856900927
4.21
1.8223e-05
4.989e-08
d
yr
n .2339046237556989 2.7695e-09 deg/d
Q 2.856810988622764 2.255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      1999-11-10  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:58:20  

Additional Information
 Earth MOID = 1.37748 au 
 Jupiter MOID = 2.26298 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457566.5 (2016-Jun-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09381680507560096 5.7895e-08  
q 2.365271346852587 1.6212e-07 au
tp 2457868.733177535255
(2017-Apr-25.23317754)
0.00018329 TDB
node 288.0637824827348 0.0006637 deg
peri 168.894874250122 0.0006651 deg
i .6680819408126067 4.8772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      7675 days (21.01 yr)  
   first obs. used      1999-11-10  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:58:20  

Additional Information
 Jupiter MOID = 2.26298 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.351878030812993E-15 -9.342063929575372E-15 -4.384871458898463E-12 -2.140346626441355E-14 -9.059300666640461E-13 -6.153291268809685E-16
q -9.342063929575372E-15 2.628185603143999E-14 1.255194840519522E-11 6.729650087634559E-14 2.587344350201515E-12 1.794460081554691E-15
tp -4.384871458898463E-12 1.255194840519522E-11 3.35943087407145E-8 8.306082268330597E-11 7.982625710956986E-9 2.650942947738994E-12
node -2.140346626441355E-14 6.729650087634559E-14 8.306082268330597E-11 4.404936970600838E-7 -4.404454920691591E-7 -7.732215502169323E-10
peri -9.059300666640461E-13 2.587344350201515E-12 7.982625710956986E-9 -4.404454920691591E-7 4.423564164647844E-7 7.73781954891531E-10
i -6.153291268809685E-16 1.794460081554691E-15 2.650942947738994E-12 -7.732215502169323E-10 7.73781954891531E-10 2.378663077396396E-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 17.6   n/a MPO446571  

351048 (2003 SQ240)          Discovered 2003-Sep-27 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ 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
1973-Jan-14 17:06 00:12 Hygie 0.0434124562984669 0.0434053947567523 0.0434195179729345 2.23278337563759 2.23278297703371 2441697.212541570 12.1782626169243 369.882187935492 67.2517233840604 -19.2903601951316 35743.9539396913 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 00:58:20 2020-Dec-18 00:58
2057-Jan-13 18:42 00:05 Iris 0.0269581807357825 0.026944056259165 0.0269723053374238 3.29300212696579 3.29300206220823 2472377.278829290 4.66227391659917 709.660434215651 79.5715858485359 7.46467031248527 8658.4278385352 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 00:58:20 2020-Dec-18 00:58

Alternate Designations
 2003 SQ240 = 2008 YW94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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