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JPL Small-Body Database Browser
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154623 (2003 SU238)
Classification: Main-belt Asteroid          SPK-ID: 2154623
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683979923376548 5.9039e-08  
a 3.183768186596615 4.5598e-08 au
q 2.647628015905249 1.9119e-07 au
i 4.360701816513468 7.8752e-06 deg
node 327.9643996069463 7.0608e-05 deg
peri 321.1101589917992 7.3305e-05 deg
M 31.58824956790983 2.1411e-05 deg
tp 2458818.431990229165
(2019-Nov-30.93199023)
0.00012181 TDB
period 2074.964089940796
5.68
4.4577e-05
1.22e-07
d
yr
n .1734969784514544 3.7273e-09 deg/d
Q 3.719908357287981 5.3277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6239 days (17.08 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:19:01  

Additional Information
 Earth MOID = 1.63319 au 
 Jupiter MOID = 1.48863 au 
 T_jup = 3.172 
[ show covariance matrix ]

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 15.2   n/a MPO401304  
rotation period rot_per 4.35 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

154623 (2003 SU238)          Discovered 2003-Sep-27 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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