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JPL Small-Body Database Browser
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46556 (1991 FU3)
Classification: Main-belt Asteroid          SPK-ID: 2046556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07576301158610742 4.7279e-08  
a 2.195937239365237 6.8912e-09 au
q 2.029566420856844 1.0281e-07 au
i 4.748855970968057 5.2189e-06 deg
node 15.86811886748476 3.5295e-05 deg
peri 191.0879404935918 4.1069e-05 deg
M 201.3108449457106 2.1345e-05 deg
tp 2459124.429749879604
(2020-Oct-01.92974988)
7.0804e-05 TDB
period 1188.579710391238
3.25
5.5949e-06
1.532e-08
d
yr
n .3028825049365017 1.4257e-09 deg/d
Q 2.36230805787363 7.4133e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1769  
   data-arc span      10570 days (28.94 yr)  
   first obs. used      1990-11-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:44  

Additional Information
 Earth MOID = 1.02543 au 
 Jupiter MOID = 2.59825 au 
 T_jup = 3.661 
[ 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 14.7   n/a MPO347847  
diameter diameter 3.075 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 62.178 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.170   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46556 (1991 FU3)          Discovered 1991-Mar-22 by Debehogne, H. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 FU3 = 1999 VU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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