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JPL Small-Body Database Browser
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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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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