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JPL Small-Body Database Browser
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47049 (1998 WT19)
Classification: Main-belt Asteroid          SPK-ID: 2047049
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128310448770774 5.1802e-08  
a 2.576195565335151 1.1945e-08 au
q 2.285520727890693 1.3696e-07 au
i 13.27548277193266 5.3211e-06 deg
node 290.7466688928941 1.6606e-05 deg
peri 185.8514075479968 2.4883e-05 deg
M 349.4409822395854 1.9603e-05 deg
tp 2458644.798364153030
(2019-Jun-10.29836415)
8.2389e-05 TDB
period 1510.311987055933
4.14
1.0504e-05
2.876e-08
d
yr
n .2383613472483601 1.6578e-09 deg/d
Q 2.86687040277961 1.3292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      11044 days (30.24 yr)  
   first obs. used      1989-09-01  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:22:13  

Additional Information
 Earth MOID = 1.30256 au 
 Jupiter MOID = 2.25035 au 
 T_jup = 3.381 
[ 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 13.3   n/a MPO502469  
rotation period rot_per 5.255 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

47049 (1998 WT19)          Discovered 1998-Nov-25 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WT19 = 1992 OO7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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