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JPL Small-Body Database Browser
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46558 (1991 GY5)
Classification: Main-belt Asteroid          SPK-ID: 2046558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361905680334591 4.3641e-08  
a 2.243685275380672 8.9375e-09 au
q 1.93811650323827 9.6756e-08 au
i 6.452972122189466 4.8155e-06 deg
node 203.0114815956637 3.9067e-05 deg
peri 352.302591279165 4.2344e-05 deg
M 128.046369259592 1.7753e-05 deg
tp 2458163.877510612523
(2018-Feb-14.37751061)
5.975e-05 TDB
period 1227.556057140738
3.36
7.3348e-06
2.008e-08
d
yr
n .2932656296271497 1.7523e-09 deg/d
Q 2.549254047523073 1.0155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      10434 days (28.57 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:17:45  

Additional Information
 Earth MOID = .937192 au 
 Jupiter MOID = 2.41044 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456761.5 (2014-Apr-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135900036834559 4.3707e-08  
q 1.93944090156557 9.687e-08 au
tp 2456935.645772226288
(2014-Oct-05.14577223)
5.821e-05 TDB
node 203.0398991626584 3.9066e-05 deg
peri 352.2252984557808 4.2344e-05 deg
i 6.451909926713973 4.8153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      10434 days (28.57 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:17:45  

Additional Information
 Jupiter MOID = 2.41044 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.910270248241465E-15 -4.22077139195643E-15 5.918197009632284E-13 1.052169972592986E-14 1.282307542614647E-13 1.565381167908684E-15
q -4.22077139195643E-15 9.383778446153875E-15 -1.250607253435085E-12 -2.332416622352161E-14 -2.708597911405512E-13 -3.380206746577345E-15
tp 5.918197009632284E-13 -1.250607253435085E-12 3.388458557527117E-9 -8.170763208689398E-13 9.668223197132626E-10 -2.093608664434553E-12
node 1.052169972592986E-14 -2.332416622352161E-14 -8.170763208689398E-13 1.52614673094713E-9 -1.516074072916035E-9 3.050218996339191E-11
peri 1.282307542614647E-13 -2.708597911405512E-13 9.668223197132626E-10 -1.516074072916035E-9 1.793032987682811E-9 -3.091644679428393E-11
i 1.565381167908684E-15 -3.380206746577345E-15 -2.093608664434553E-12 3.050218996339191E-11 -3.091644679428393E-11 2.318663857103003E-11

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 16.1   n/a MPO449295  
rotation period rot_per 6.333 h n/a LCDB (Rev. 2019-January); 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.]

46558 (1991 GY5)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 GY5 = 1999 TX56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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