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4508 Takatsuki (1990 FG1)
Classification: Main-belt Asteroid          SPK-ID: 2004508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08503372589580348 1.5346e-08  
a 2.195292509045853 4.7512e-09 au
q 2.008618607570537 3.3281e-08 au
i 1.980853525793778 3.1278e-07 deg
node 92.91822856967102 1.3462e-05 deg
peri 147.3325229802298 1.5145e-05 deg
M 117.6467898085862 7.4214e-06 deg
tp 2458812.247196367799
(2019-Nov-24.74719637)
2.4594e-05 TDB
period 1188.05629575616
3.25
3.8569e-06
1.056e-08
d
yr
n .3030159440137232 9.8372e-10 deg/d
Q 2.381966410521168 5.1552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3427  
   data-arc span      25517 days (69.86 yr)  
   first obs. used      1951-04-03  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:26:20  

Additional Information
 Earth MOID = .994818 au 
 Jupiter MOID = 2.60897 au 
 T_jup = 3.664 
[ 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 13.72   n/a E2021B10  
diameter diameter 4.567 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4508 Takatsuki (1990 FG1)          Discovered 1990-Mar-27 by Endate and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 FG1 = 1951 GD = 1980 DM3 = 1981 QA2 = 1983 AM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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