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5465 Chumakov (1986 RF13)
Classification: Main-belt Asteroid          SPK-ID: 2005465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06988978522011892 1.8314e-08  
a 2.918190603365208 1.3828e-08 au
q 2.714238888864644 5.6935e-08 au
i 3.200232111685024 1.8123e-07 deg
node 124.4187319456956 1.307e-05 deg
peri 185.3810661737571 2.4983e-05 deg
M 354.5756200457536 2.3944e-05 deg
tp 2459227.935729384916
(2021-Jan-13.43572938)
0.0001211 TDB
period 1820.827940129427
4.99
1.2942e-05
3.543e-08
d
yr
n .1977122560929128 1.4053e-09 deg/d
Q 3.122142317865772 1.4794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2098  
   data-arc span      17929 days (49.09 yr)  
   first obs. used      1971-09-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:34:40  

Additional Information
 Earth MOID = 1.69765 au 
 Jupiter MOID = 2.05336 au 
 T_jup = 3.275 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456589.5 (2013-Oct-24.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06779056946387799 1.8718e-08  
q 2.717594279332967 5.8111e-08 au
tp 2457418.522100315070
(2016-Jan-31.02210031)
0.00012604 TDB
node 124.444008106002 1.3087e-05 deg
peri 187.1304797573793 2.5574e-05 deg
i 3.198547844400876 1.8137e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2098  
   data-arc span      17929 days (49.09 yr)  
   first obs. used      1971-09-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46542  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:34:40  

Additional Information
 Jupiter MOID = 2.05336 au 
 T_jup = 3.275 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.503792326901884E-16 -1.061522955392213E-15 7.407161004541035E-13 -3.760078461892112E-14 2.217797261275722E-13 -1.800327478255431E-16
q -1.061522955392213E-15 3.376832943156443E-15 -2.443368656384265E-12 1.187373137126169E-13 -7.246203181364911E-13 5.072218642243858E-16
tp 7.407161004541035E-13 -2.443368656384265E-12 1.58852749062105E-8 5.971511348789678E-10 2.790828482241769E-9 -4.970797998324395E-12
node -3.760078461892112E-14 1.187373137126169E-13 5.971511348789678E-10 1.712591812064078E-10 -4.957447126670097E-11 -5.653686683628724E-13
peri 2.217797261275722E-13 -7.246203181364911E-13 2.790828482241769E-9 -4.957447126670097E-11 6.540223813470334E-10 -4.663278160142674E-13
i -1.800327478255431E-16 5.072218642243858E-16 -4.970797998324395E-12 -5.653686683628724E-13 -4.663278160142674E-13 3.289630487636078E-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 12.53   n/a E2021B10  
diameter diameter 7.738 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.355   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5465 Chumakov (1986 RF13)          Discovered 1986-Sep-09 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 RF13 = 1971 SV = 1976 SG7 = 1980 KL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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