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JPL Small-Body Database Browser
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29198 Weathers (1991 DW)
Classification: Main-belt Asteroid          SPK-ID: 2029198
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010854118310075 4.6184e-08  
a 2.599244970272992 1.4785e-08 au
q 2.336499222003272 1.254e-07 au
i 16.57817074622836 4.2178e-06 deg
node 91.1611361356221 1.455e-05 deg
peri 161.408910520707 3.9371e-05 deg
M 274.3995381677593 4.2591e-05 deg
tp 2459364.450945763168
(2021-May-29.95094576)
0.00018304 TDB
period 1530.626560537926
4.19
1.3059e-05
3.575e-08
d
yr
n .2351978002220743 2.0067e-09 deg/d
Q 2.861990718542712 1.6279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      10579 days (28.96 yr)  
   first obs. used      1991-02-18  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:36:07  

Additional Information
 Earth MOID = 1.32565 au 
 Jupiter MOID = 2.22734 au 
 T_jup = 3.350 
[ 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 13.2   n/a MPO333085  

29198 Weathers           Discovered 1991 Feb. 18 by E. F. Helin at Palomar.
Del Weathers (1951-2003) led a NASA team in the engineering and design of complex systems for Space Station Freedom and worked with the U.S. Federal Aviation Administration to develop advanced decision support systems to increase capacity and safety in aviation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1991 DW = 1998 WH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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