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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06954761799186356 4.6694e-08  
a 2.916308056923724 1.5782e-08 au
q 2.713485778234199 1.413e-07 au
i 3.199323001945285 4.8352e-06 deg
node 124.4251635011451 9.8877e-05 deg
peri 185.9997807100359 0.00010603 deg
M 314.4453705791707 3.9221e-05 deg
tp 2459230.685806309511
(2021-Jan-16.18580631)
0.00019849 TDB
period 1819.06627987043
4.98
1.4766e-05
4.043e-08
d
yr
n .1979037289535389 1.6065e-09 deg/d
Q 3.119130335613248 1.688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1989  
   data-arc span      17857 days (48.89 yr)  
   first obs. used      1971-09-16  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:29:01  

Additional Information
 Earth MOID = 1.69898 au 
 Jupiter MOID = 2.05868 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456319.5 (2013-Jan-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06664129248665068 4.7171e-08  
q 2.723898693987341 1.426e-07 au
tp 2455599.849621255443
(2011-Feb-07.34962126)
0.00020264 TDB
node 124.4494805964256 9.9006e-05 deg
peri 187.2816412151355 0.00010664 deg
i 3.196622089303781 4.8281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1989  
   data-arc span      17857 days (48.89 yr)  
   first obs. used      1971-09-16  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:29:01  

Additional Information
 Jupiter MOID = 2.05868 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.225100156763712E-15 -6.691893655445553E-15 3.754136045270771E-12 -1.060688439874841E-14 7.574551869899932E-13 -7.818543337994438E-16
q -6.691893655445553E-15 2.033466737335567E-14 -1.097811584829156E-11 3.032931901669601E-14 -2.203469369809115E-12 2.413736854259542E-15
tp 3.754136045270771E-12 -1.097811584829156E-11 4.106204336108498E-8 4.890089673157901E-12 8.080430958062976E-9 -1.255935249665012E-12
node -1.060688439874841E-14 3.032931901669601E-14 4.890089673157901E-12 9.802249053652848E-9 -9.785240134073368E-9 1.931638799595597E-10
peri 7.574551869899932E-13 -2.203469369809115E-12 8.080430958062976E-9 -9.785240134073368E-9 1.137227977835262E-8 -1.930973880996688E-10
i -7.818543337994438E-16 2.413736854259542E-15 -1.255935249665012E-12 1.931638799595597E-10 -1.930973880996688E-10 2.331092619311025E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO395050  
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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