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JPL Small-Body Database Browser
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201591 (2003 SU128)
Classification: Main-belt Asteroid          SPK-ID: 2201591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03779240751404205 5.2678e-08  
a 2.743049518228076 2.5721e-08 au
q 2.639383073004004 1.4397e-07 au
i 4.847599825356968 5.7001e-06 deg
node 280.0999833682504 6.7601e-05 deg
peri 133.453842530946 0.00010119 deg
M 204.8743235167622 7.5936e-05 deg
tp 2459715.539586257334
(2022-May-16.03958626)
0.00035275 TDB
period 1659.391642236965
4.54
2.3339e-05
6.39e-08
d
yr
n .2169469767334112 3.0514e-09 deg/d
Q 2.846715963452148 2.6693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51283  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:46:21  

Additional Information
 Earth MOID = 1.65363 au 
 Jupiter MOID = 2.30593 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457084.5 (2015-Mar-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03897650049855943 5.2664e-08  
q 2.63460988280094 1.4389e-07 au
tp 2456405.737986941364
(2013-Apr-23.23798694)
0.00033206 TDB
node 280.1184088654637 6.7623e-05 deg
peri 135.0116470101576 9.9492e-05 deg
i 4.847627579658301 5.7003e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51283  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:46:21  

Additional Information
 Jupiter MOID = 2.30593 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.773507085199001E-15 -7.463905907612614E-15 -3.134563383757134E-13 -5.902492360424955E-15 -8.581352214051751E-14 -3.650881578073079E-17
q -7.463905907612614E-15 2.070326215095752E-14 1.914230321278189E-12 1.349795439989221E-14 5.17334818317135E-13 8.24666100930543E-16
tp -3.134563383757134E-13 1.914230321278189E-12 1.102653767355212E-7 -1.076579545513021E-11 2.426123370490213E-8 -6.836210169133207E-12
node -5.902492360424955E-15 1.349795439989221E-14 -1.076579545513021E-11 4.572833454147559E-9 -4.558679176130841E-9 -3.337829690446678E-11
peri -8.581352214051751E-14 5.17334818317135E-13 2.426123370490213E-8 -4.558679176130841E-9 9.898692892233248E-9 3.18191252876738E-11
i -3.650881578073079E-17 8.24666100930543E-16 -6.836210169133207E-12 -3.337829690446678E-11 3.18191252876738E-11 3.24938579465491E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO470153  

201591 (2003 SU128)          Discovered 2003-Sep-20 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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