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49203 (1998 SW115)
Classification: Main-belt Asteroid          SPK-ID: 2049203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307624573316809 4.2856e-08  
a 2.407129023122486 1.2325e-08 au
q 2.092366916944582 1.0734e-07 au
i 1.684465214460733 4.3863e-06 deg
node 290.6716063137569 0.00014658 deg
peri 311.7228721759209 0.0001477 deg
M 304.871112617581 2.0491e-05 deg
tp 2458809.393154187853
(2019-Nov-21.89315419)
7.8327e-05 TDB
period 1364.103994807076
3.73
1.0477e-05
2.868e-08
d
yr
n .263909497641281 2.0269e-09 deg/d
Q 2.721891129300391 1.3937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      8996 days (24.63 yr)  
   first obs. used      1994-09-11  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:49:33  

Additional Information
 Earth MOID = 1.07978 au 
 Jupiter MOID = 2.29233 au 
 T_jup = 3.510 
[ 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 15.3   n/a MPO474372  
rotation period rot_per 6.27 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

49203 (1998 SW115)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW115 = 2000 AY238 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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