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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032548677457782 2.8151e-08  
a 2.259523623921815 6.923e-09 au
q 2.026216810965306 6.4487e-08 au
i 2.284227644684258 3.0872e-06 deg
node 90.75121953605512 8.9003e-05 deg
peri 156.3701170983159 9.0647e-05 deg
M 268.4885048314851 1.8144e-05 deg
tp 2459315.852956393019
(2021-Apr-11.35295639)
6.2874e-05 TDB
period 1240.577089167117
3.40
5.7016e-06
1.561e-08
d
yr
n .2901875289682257 1.3337e-09 deg/d
Q 2.492830436878323 7.6379e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2746  
   data-arc span      29544 days (80.89 yr)  
   first obs. used      1939-03-17  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:01:30  

Additional Information
 Earth MOID = 1.01269 au 
 Jupiter MOID = 2.5171 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 13.0   n/a MPO302087  
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. 2019-August); 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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