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19449 (1998 FE125)
Classification: Main-belt Asteroid          SPK-ID: 2019449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456306890540383 4.0541e-08  
a 2.631832146448134 1.249e-08 au
q 2.248556617486324 1.0914e-07 au
i 11.59849935049677 4.9824e-06 deg
node 168.9123946902447 1.9705e-05 deg
peri 77.0356199281382 2.5918e-05 deg
M 32.91562565678617 1.8615e-05 deg
tp 2458857.911230372689
(2020-Jan-09.41123037)
8.0245e-05 TDB
period 1559.501180414256
4.27
1.1102e-05
3.04e-08
d
yr
n .2308430442510931 1.6433e-09 deg/d
Q 3.015107675409944 1.4309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      11024 days (30.18 yr)  
   first obs. used      1989-03-02  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:43:29  

Additional Information
 Earth MOID = 1.27043 au 
 Jupiter MOID = 2.08124 au 
 T_jup = 3.356 
[ 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 14.1   n/a MPO384921  
diameter diameter 8.673 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.351 h n/a LCDB (Rev. 2019-August); 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.]
geometric albedo albedo 0.071   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19449 (1998 FE125)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FE125 = 1989 EY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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