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3348 Pokryshkin (1978 EA3)
Classification: Main-belt Asteroid          SPK-ID: 2003348
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623122076423711 3.6404e-08  
a 3.172462052555905 1.6427e-08 au
q 2.657532733143908 1.1257e-07 au
i 10.38699635038178 4.4766e-06 deg
node 185.7935678220238 1.964e-05 deg
peri 61.98246166111593 2.3456e-05 deg
M 127.7136141150992 1.2368e-05 deg
tp 2458268.303286728256
(2018-May-29.80328673)
7.0447e-05 TDB
period 2063.921051832987
5.65
1.603e-05
4.389e-08
d
yr
n .1744252764321003 1.3547e-09 deg/d
Q 3.687391371967902 1.9093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2430  
   data-arc span      25172 days (68.92 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:02:40  

Additional Information
 Earth MOID = 1.6645 au 
 Jupiter MOID = 1.41433 au 
 T_jup = 3.156 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456858.5 (2014-Jul-20.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628509125299894 3.5988e-08  
q 2.655801022736018 1.112e-07 au
tp 2456209.071998625564
(2012-Oct-08.57199863)
7.2589e-05 TDB
node 185.828835107714 1.9617e-05 deg
peri 62.75471415126315 2.35e-05 deg
i 10.39269666784473 4.4796e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2430  
   data-arc span      25172 days (68.92 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:02:40  

Additional Information
 Jupiter MOID = 1.41433 au 
 T_jup = 3.156 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.295168677311212E-15 -3.972702211364378E-15 -7.857338051218642E-13 2.371896567507419E-15 -1.567515586600098E-13 -1.578957818102354E-15
q -3.972702211364378E-15 1.236483153818379E-14 2.271989265727264E-12 -7.587292908427509E-15 4.674550752271988E-13 5.384266622512038E-15
tp -7.857338051218642E-13 2.271989265727264E-12 5.269189061134399E-9 -3.540693151892131E-12 9.51507291436533E-10 5.459556884998198E-13
node 2.371896567507419E-15 -7.587292908427509E-15 -3.540693151892131E-12 3.848150290178738E-10 -3.788224667035563E-10 9.421673469906846E-12
peri -1.567515586600098E-13 4.674550752271988E-13 9.51507291436533E-10 -3.788224667035563E-10 5.522659335634903E-10 -9.128360437145447E-12
i -1.578957818102354E-15 5.384266622512038E-15 5.459556884998198E-13 9.421673469906846E-12 -9.128360437145447E-12 2.006651920751874E-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 12.0   n/a MPO452210  
diameter diameter 15.588 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3348 Pokryshkin (1978 EA3)          Discovered 1978-Mar-06 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 EA3 = 1951 RO = 1951 TM = 1972 EP = 1978 JM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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