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JPL Small-Body Database Browser
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452443 (2003 SN72)
Classification: Main-belt Asteroid          SPK-ID: 2452443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273911751674571 3.1525e-06  
a 2.48419549816749 3.845e-07 au
q 1.919311364493478 7.5349e-06 au
i 2.14222388754804 2.1073e-05 deg
node 217.953546287344 0.00025319 deg
peri 182.8525999447702 0.00043608 deg
M 329.0393788916203 0.00027009 deg
tp 2458723.494090765494
(2019-Aug-27.99409077)
0.0010888 TDB
period 1430.135155253516
3.92
0.00033203
9.09e-07
d
yr
n .2517244602215123 5.8442e-08 deg/d
Q 3.049079631841502 4.7193e-07 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      4474 days (12.25 yr)  
   first obs. used      2003-09-18  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .53242  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:49:54  

Additional Information
 Earth MOID = .926986 au 
 Jupiter MOID = 2.36483 au 
 T_jup = 3.439 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456220.5 (2012-Oct-20.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2271337504902904 3.1479e-06  
q 1.91985635419504 7.5157e-06 au
tp 2455858.577618982751
(2011-Oct-24.07761898)
0.00089799 TDB
node 218.0379697885438 0.00025396 deg
peri 182.1169769527862 0.0004384 deg
i 2.135534565146521 2.109e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      4474 days (12.25 yr)  
   first obs. used      2003-09-18  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .53242  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:49:54  

Additional Information
 Jupiter MOID = 2.36483 au 
 T_jup = 3.439 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.909050649754608E-12 -2.365837391173765E-11 -1.991511051492745E-10 3.785403358336138E-11 -2.880966094692103E-10 -2.614573372966115E-11
q -2.365837391173765E-11 5.648587632686534E-11 4.80605821506318E-10 -9.030020055058337E-11 6.898464150133331E-10 6.242304431039279E-11
tp -1.991511051492745E-10 4.80605821506318E-10 8.06392212730044E-7 1.104444153445445E-8 3.156887627524531E-7 2.773266292151207E-10
node 3.785403358336138E-11 -9.030020055058337E-11 1.104444153445445E-8 6.449758765623679E-8 -6.067274193151992E-8 2.929868508027889E-9
peri -2.880966094692103E-10 6.898464150133331E-10 3.156887627524531E-7 -6.067274193151992E-8 1.921974807443158E-7 -2.367003387115114E-9
i -2.614573372966115E-11 6.242304431039279E-11 2.773266292151207E-10 2.929868508027889E-9 -2.367003387115114E-9 4.447740922883834E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.8   n/a MPO357323  

452443 (2003 SN72)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

Alternate Designations
 2003 SN72 = 2007 US44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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