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3996 Fugaku (1988 XG1)
Classification: Main-belt Asteroid          SPK-ID: 2003996
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031896460969362 2.7787e-08  
a 2.259164459718674 6.8445e-09 au
q 2.026042078645528 6.3795e-08 au
i 2.284226223124652 3.0508e-06 deg
node 90.74931324469362 8.7318e-05 deg
peri 156.4516929521788 8.8962e-05 deg
M 326.4516877455852 1.8099e-05 deg
tp 2459316.081512573566
(2021-Apr-11.58151257)
6.2492e-05 TDB
period 1240.281305686496
3.40
5.6364e-06
1.543e-08
d
yr
n .29025673316969 1.3191e-09 deg/d
Q 2.49228684079182 7.5508e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2916  
   data-arc span      29892 days (81.84 yr)  
   first obs. used      1939-03-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:06:29  

Additional Information
 Earth MOID = 1.01096 au 
 Jupiter MOID = 2.51665 au 
 T_jup = 3.613 
[ 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 13.11   n/a E2021B10  
diameter diameter 5.231 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.193 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.409   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3996 Fugaku (1988 XG1)          Discovered 1988-Dec-05 by Arai, M. and Mori, H. at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 XG1 = 1939 FZ = 1957 TB = 1981 SO5 = 1981 UM16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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