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49357 (1998 WG14)
Classification: Main-belt Asteroid          SPK-ID: 2049357
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330031369117155 4.4151e-08  
a 2.595428700976052 1.2769e-08 au
q 2.250228542115538 1.1476e-07 au
i 15.93931728735519 5.3762e-06 deg
node 58.71302070924637 1.7129e-05 deg
peri 248.3919339314613 2.5281e-05 deg
M 54.49311882784767 1.9036e-05 deg
tp 2458369.319475249685
(2018-Sep-07.81947525)
8.0451e-05 TDB
period 1527.256848209297
4.18
1.127e-05
3.086e-08
d
yr
n .2357167364625661 1.7395e-09 deg/d
Q 2.940628859836566 1.4467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      7686 days (21.04 yr)  
   first obs. used      1998-11-18  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:05  

Additional Information
 Earth MOID = 1.28708 au 
 Jupiter MOID = 2.32111 au 
 T_jup = 3.351 
[ 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 14.8   n/a MPO449317  
diameter diameter 3.501 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49357 (1998 WG14)          Discovered 1998-Nov-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WG14 = 1998 WT32 = 2001 HG30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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