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461523 (2003 SX243)
Classification: Main-belt Asteroid          SPK-ID: 2461523
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039881731244076 8.319e-08  
a 3.054214600801135 1.9123e-08 au
q 2.43119094405382 2.59e-07 au
i 1.327890963110475 1.0186e-05 deg
node 45.38678565413046 0.00038719 deg
peri 354.2241992761316 0.00038881 deg
M 17.90566325577801 2.8e-05 deg
tp 2458903.530387033448
(2020-Feb-24.03038703)
0.00015152 TDB
period 1949.610029480127
5.34
1.8311e-05
5.013e-08
d
yr
n .1846523122862657 1.7343e-09 deg/d
Q 3.677238257548451 2.3024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      7638 days (20.91 yr)  
   first obs. used      1998-11-23  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 17:37:39  

Additional Information
 Earth MOID = 1.43917 au 
 Jupiter MOID = 1.74564 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457210.5 (2015-Jul-07.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989711321175442 8.2875e-08  
q 2.449754190276172 2.5627e-07 au
tp 2456940.191941340453
(2014-Oct-09.69194134)
0.00016456 TDB
node 45.35418591562822 0.00038465 deg
peri 352.8036165782231 0.0003865 deg
i 1.335614019005774 1.0198e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      7638 days (20.91 yr)  
   first obs. used      1998-11-23  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 17:37:39  

Additional Information
 Jupiter MOID = 1.74564 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.868334460834041E-15 -2.120346081777047E-14 -6.323550367728161E-12 -8.486089616349215E-14 -1.247842153241594E-12 -3.265950762448572E-15
q -2.120346081777047E-14 6.56742999607185E-14 1.958138028441064E-11 2.372882815592829E-13 3.897908883114222E-12 1.076658671700545E-14
tp -6.323550367728161E-12 1.958138028441064E-11 2.707969440036612E-8 1.298932415559763E-10 6.318299731747243E-9 4.999614518731881E-12
node -8.486089616349215E-14 2.372882815592829E-13 1.298932415559763E-10 1.4795368987525E-7 -1.478853165837431E-7 -2.670252950643501E-9
peri -1.247842153241594E-12 3.897908883114222E-12 6.318299731747243E-9 -1.478853165837431E-7 1.493805129526056E-7 2.670707489609787E-9
i -3.265950762448572E-15 1.076658671700545E-14 4.999614518731881E-12 -2.670252950643501E-9 2.670707489609787E-9 1.039895579386558E-10

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 17.0   n/a MPO495307  

461523 (2003 SX243)          Discovered 2003-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24

[ 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
1900-Nov-02 10:40 00:04 Jupiter 1.8669508238457 1.86694896637074 1.86695268131674 2.06370913074318 1.83071280678705 2415325.944672331 3.78873048519415 111.930113691909 36.6949780733773 86.9416549154884 554975.904315399 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
1910-Apr-14 13:17 00:03 Jupiter 1.85603669267986 1.85603478788733 1.85603859748389 1.73809571878472 1.45198312386312 2418776.053503991 3.40434664439803 363.732151496818 81.9854075401193 -72.3157673078822 1004960.04153666 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
1958-Nov-12 04:03 00:02 Jupiter 1.74973719793804 1.74973646836099 1.74973792751419 1.39715519420556 0.991902974872335 2436519.668951705 2.04101379932293 289.758324562617 225.956812566845 -35.3991470071172 1077962.12481452 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2007-Jun-13 09:12 < 00:01 Jupiter 1.82327428884765 1.82327312645008 1.82327545124324 1.84325025420863 1.57112987147355 2454264.883372441 0.978863827282555 111.841885394856 56.5093315940204 84.9801372637051 883918.932879894 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2016-Nov-23 06:07 < 00:01 Jupiter 1.90645709333833 1.90645563445562 1.90645855222136 1.93009142498075 1.68424169370045 2457715.755123749 0.853940045709127 154.477139440768 41.8088458365108 -80.4911634409799 1077157.83351737 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2065-Jun-21 15:16 00:02 Jupiter 1.75820653263294 1.75820574020174 1.75820732506375 1.40982438147459 1.01197696189953 2475458.135982534 1.6072642985331 297.410313813936 223.147262120247 -37.5397835090991 1024670.14478725 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2114-Jan-21 12:31 00:03 Jupiter 1.78617282262962 1.78617167664145 1.78617396861464 1.66094407572858 1.34547892638602 2493203.021270811 2.96341532120221 147.439950276121 114.241656679011 -1.98828857304138 735849.742443263 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2123-Jul-03 19:59 00:03 Jupiter 1.96094908025509 1.96094730340516 1.96095085710814 2.15760882023643 1.94714802943902 2496653.332407619 3.2472602432787 213.923209981009 15.3737830230849 88.9883721917644 1046438.30529749 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2162-Aug-23 15:33 00:04 Jupiter 1.96624402012672 1.96624198214289 1.96624605810855 2.75030004234588 2.58893536784252 2510949.147994505 4.25563781940753 120.973613295164 41.1933526615841 83.7863359841913 566299.408734259 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
2172-Jan-31 07:11 00:05 Jupiter 1.7735813697473 1.7735802388806 1.77358250061783 1.45287366090369 1.07502879987369 2514396.799233752 4.66160665115089 335.901763626928 195.681474503573 -56.7793376524421 1007862.09925636 T 19 CATAB v2.0f-lin.ifort 2019-Nov-08 17:37:46 2019-Nov-08 17:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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