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JPL Small-Body Database Browser
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154272 (2002 SE31)
Classification: Main-belt Asteroid          SPK-ID: 2154272
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853263179752425 3.9159e-08  
a 2.236240433461083 1.0894e-08 au
q 1.821806227820381 8.6135e-08 au
i 3.171510838770185 5.184e-06 deg
node 97.57329023749024 9.9711e-05 deg
peri 319.9769009906615 0.00010117 deg
M 66.72870944661723 1.7912e-05 deg
tp 2458774.094801139173
(2019-Oct-17.59480114)
6.0227e-05 TDB
period 1221.451340297571
3.34
8.9259e-06
2.444e-08
d
yr
n .294731347965361 2.1538e-09 deg/d
Q 2.650674639101786 1.2913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7333 days (20.08 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:55  

Additional Information
 Earth MOID = .835388 au 
 Jupiter MOID = 2.68442 au 
 T_jup = 3.613 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO502912  

154272 (2002 SE31)          Discovered 2002-Sep-28 by NEAT at Haleakala
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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