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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08392771978874851 5.4448e-08  
a 3.090650137155972 3.9388e-08 au
q 2.831258918479688 1.842e-07 au
i 8.98695157248769 7.5787e-06 deg
node 313.0692028579743 4.1839e-05 deg
peri 104.3204208189193 6.5151e-05 deg
M 336.9292134759135 5.1547e-05 deg
tp 2459127.684180223872
(2020-Oct-05.18418022)
0.00028523 TDB
period 1984.600951198242
5.43
3.7938e-05
1.039e-07
d
yr
n .181396668072059 3.4676e-09 deg/d
Q 3.350041355832255 4.2693e-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 = 1.86096 au 
 Jupiter MOID = 1.92907 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 = 1.92907 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

[ 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
1937-May-26 11:56 00:05 Jupiter 1.98087057408249 1.98086997169809 1.98087117646892 4.00551809156272 3.89730328582418 2428679.997271894 4.61509291293281 200.099703313582 21.3673868292746 83.5237034145147 2276422.74555411 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 00:53:11 2019-Nov-08 00:53
1997-Jul-29 15:30 00:01 Jupiter 1.97581758646738 1.97581678301003 1.97581838992496 4.37230306006242 4.27313054572996 2450659.145902622 1.16850861119174 97.1543407576888 32.5668027115186 79.3930404823304 2052228.33167179 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 00:53:11 2019-Nov-08 00:53
2067-Oct-09 13:20 00:03 Jupiter 1.97352562076599 1.97352484296533 1.97352639856934 3.93030449446805 3.81954294344186 2476298.055660880 2.89970741222812 153.993342458678 20.6522099383649 77.4486314816837 2495021.68095614 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 00:53:11 2019-Nov-08 00:53
2127-Dec-13 06:13 00:06 Jupiter 1.95642664781989 1.95642599611089 1.95642729952889 4.27218942236717 4.16961810459333 2498276.759067205 6.28661568884618 100.902826522482 28.0017035524034 85.3299261715834 2137826.68737117 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 00:53:11 2019-Nov-08 00:53
2198-Feb-21 01:30 00:10 Jupiter 1.97136668543461 1.97136481288035 1.97136855803605 3.87044812540813 3.75779769433788 2523914.562182757 10.4044466073205 511.939304597641 18.7261420437188 78.1782704611318 2484588.95635349 T 14 CATAB v2.0f-lin.ifort 2019-Nov-08 00:53:11 2019-Nov-08 00:53

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