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JPL Small-Body Database Browser
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48989 (1998 QS47)
Classification: Main-belt Asteroid          SPK-ID: 2048989
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212861305616841 5.4456e-08  
a 2.402449117230282 1.067e-08 au
q 1.891060661458617 1.2987e-07 au
i 3.89689857004096 5.297e-06 deg
node 156.1309385860618 7.1346e-05 deg
peri 207.9755184535621 7.2119e-05 deg
M 181.5512351156961 1.3246e-05 deg
tp 2459274.703138520635
(2021-Mar-01.20313852)
5.2457e-05 TDB
period 1360.127821701596
3.72
9.061e-06
2.481e-08
d
yr
n .2646810058995924 1.7633e-09 deg/d
Q 2.913837573001946 1.2941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1995-12-30  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53344  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:45  

Additional Information
 Earth MOID = .888923 au 
 Jupiter MOID = 2.54033 au 
 T_jup = 3.491 
[ 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 15.6   n/a MPO436126  
rotation period rot_per 5.11 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

48989 (1998 QS47)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QS47 = 2000 AO207 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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