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JPL Small-Body Database Browser
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226494 (2003 SN284)
Classification: Main-belt Asteroid          SPK-ID: 2226494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08365208767650611 5.4502e-08  
a 3.090565217514371 3.9618e-08 au
q 2.832032984968898 1.842e-07 au
i 8.986594793929859 7.5785e-06 deg
node 313.0706650534422 4.1842e-05 deg
peri 104.2507830311762 6.5268e-05 deg
M 264.4053748521551 5.111e-05 deg
tp 2459127.470458225372
(2020-Oct-04.97045823)
0.00028603 TDB
period 1984.519157512598
5.43
3.816e-05
1.045e-07
d
yr
n .1814041444937347 3.4882e-09 deg/d
Q 3.349097450059843 4.2933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      5857 days (16.04 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:09  

Additional Information
 Earth MOID = 1.86137 au 
 Jupiter MOID = 1.9308 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457144.5 (2015-May-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08110556850002108 5.5349e-08  
q 2.840769310591804 1.8721e-07 au
tp 2457126.231496961785
(2015-Apr-13.73149696)
0.00028072 TDB
node 313.4427057521502 4.1687e-05 deg
peri 101.4120333461672 6.6394e-05 deg
i 8.997918115494533 7.601e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      5857 days (16.04 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:53:09  

Additional Information
 Jupiter MOID = 1.9308 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.063529211306601E-15 -1.018731016610626E-14 -7.112573435504127E-12 -1.886409720643056E-15 -1.345418987089568E-12 8.122974217631595E-16
q -1.018731016610626E-14 3.504650150289874E-14 2.545350100100789E-11 1.146950854307885E-14 4.800155688454354E-12 9.42668302115575E-16
tp -7.112573435504127E-12 2.545350100100789E-11 7.880610481208292E-8 -8.032776056552012E-11 1.4572155150819E-8 -7.818584168428802E-12
node -1.886409720643056E-15 1.146950854307885E-14 -8.032776056552012E-11 1.737834972055459E-9 -1.730552827748095E-9 1.560748246075119E-10
peri -1.345418987089568E-12 4.800155688454354E-12 1.4572155150819E-8 -1.730552827748095E-9 4.408177203037669E-9 -1.556087112190727E-10
i 8.122974217631595E-16 9.42668302115575E-16 -7.818584168428802E-12 1.560748246075119E-10 -1.556087112190727E-10 5.777579752323828E-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 15.3   n/a MPO494242  
diameter diameter 3.542 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.128   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226494 (2003 SN284)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 SN284 = 2004 XX48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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