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4556 Gumilyov (1987 QW10)
Classification: Main-belt Asteroid          SPK-ID: 2004556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448493726118295 1.1502e-08  
a 2.310698773062493 5.904e-09 au
q 1.975995505489467 2.6239e-08 au
i 4.752505020958436 2.7781e-07 deg
node 111.8471556674541 9.5034e-06 deg
peri 213.7986237738074 1.1546e-05 deg
M 242.6444550975771 5.9474e-06 deg
tp 2459814.729382795185
(2022-Aug-23.22938280)
2.1942e-05 TDB
period 1282.960919583766
3.51
4.9171e-06
1.346e-08
d
yr
n .2806009088077256 1.0754e-09 deg/d
Q 2.64540204063552 6.7592e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2890  
   data-arc span      14885 days (40.75 yr)  
   first obs. used      1980-10-05  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:38:03  

Additional Information
 Earth MOID = .965205 au 
 Jupiter MOID = 2.65676 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457275.5 (2015-Sep-10.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456137336362569 1.1508e-08  
q 1.974298493701259 2.6272e-08 au
tp 2457248.332975528036
(2015-Aug-13.83297553)
1.8874e-05 TDB
node 111.9007648442759 9.507e-06 deg
peri 213.7035964243232 1.1523e-05 deg
i 4.751793101583374 2.7766e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2890  
   data-arc span      14885 days (40.75 yr)  
   first obs. used      1980-10-05  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:38:03  

Additional Information
 Jupiter MOID = 2.65676 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.32436599575833E-16 -2.969165092017402E-16 5.974041577340506E-16 -1.27547568683458E-14 1.038846530825803E-14 2.874221150116223E-16
q -2.969165092017402E-16 6.902171434575154E-16 4.225342299491442E-15 2.948101629654743E-14 -2.20982435302346E-14 -6.796138035166785E-16
tp 5.974041577340506E-16 4.225342299491442E-15 3.56214144738886E-10 1.957534822435436E-12 1.255309518506873E-10 -5.623414812179607E-14
node -1.27547568683458E-14 2.948101629654743E-14 1.957534822435436E-12 9.038390523615221E-11 -8.848465825499661E-11 -1.004463804729801E-12
peri 1.038846530825803E-14 -2.20982435302346E-14 1.255309518506873E-10 -8.848465825499661E-11 1.327745671398526E-10 9.699189302581367E-13
i 2.874221150116223E-16 -6.796138035166785E-16 -5.623414812179607E-14 -1.004463804729801E-12 9.699189302581367E-13 7.709285319967732E-14

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.71   n/a MPO636132  
diameter diameter 5.224 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.282   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4556 Gumilyov (1987 QW10)          Discovered 1987-Aug-27 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 QW10 = 1980 TJ1 = 1984 YK3 = 1984 YR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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