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413250 (2003 SW318)
Classification: Main-belt Asteroid          SPK-ID: 2413250
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07134371721962007 6.3106e-08  
a 3.057838874933198 4.5498e-08 au
q 2.839681282936803 1.8966e-07 au
i 7.969740345398468 8.8025e-06 deg
node 201.9607413671301 5.1495e-05 deg
peri 235.9421282354373 0.00012337 deg
M 331.1001287386711 0.00010093 deg
tp 2459157.288328681902
(2020-Nov-03.78832868)
0.00054698 TDB
period 1953.081306663544
5.35
4.359e-05
1.193e-07
d
yr
n .1843241235128042 4.1139e-09 deg/d
Q 3.275996466929593 4.8744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4938 days (13.52 yr)  
   first obs. used      2003-09-19  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55381  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:05:37  

Additional Information
 Earth MOID = 1.86392 au 
 Jupiter MOID = 1.96757 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456429.5 (2013-May-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06749568402302382 6.3422e-08  
q 2.853747068424338 1.8931e-07 au
tp 2457193.672432958054
(2015-Jun-20.17243296)
0.00059895 TDB
node 202.0342630100274 5.1549e-05 deg
peri 234.2237054086357 0.00013016 deg
i 7.959547747327693 8.8051e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4938 days (13.52 yr)  
   first obs. used      2003-09-19  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55381  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:05:37  

Additional Information
 Jupiter MOID = 1.96757 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.02231174229494E-15 -1.170540631353405E-14 -1.548086854268278E-11 4.20954858271235E-14 -3.184299439543896E-12 9.287360982762526E-16
q -1.170540631353405E-14 3.58392837308032E-14 4.088728258099336E-11 -1.239043945498951E-13 8.312745473066191E-12 5.61533586436141E-15
tp -1.548086854268278E-11 4.088728258099336E-11 3.587379047393473E-7 -5.991784708720105E-10 7.161272601797377E-8 -1.897309590503992E-10
node 4.20954858271235E-14 -1.239043945498951E-13 -5.991784708720105E-10 2.657347025908154E-9 -2.749600669254855E-9 -1.119726902209936E-10
peri -3.184299439543896E-12 8.312745473066191E-12 7.161272601797377E-8 -2.749600669254855E-9 1.694105385390994E-8 7.333688034164332E-11
i 9.287360982762526E-16 5.61533586436141E-15 -1.897309590503992E-10 -1.119726902209936E-10 7.333688034164332E-11 7.753049928925238E-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 16.6   n/a MPO495097  

413250 (2003 SW318)          Discovered 2003-Sep-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

[ show close-approach data ]
Alternate Designations
 2003 SW318 = 2006 EZ42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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