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4728 Lyapidevskij (1979 VG)
Classification: Main-belt Asteroid          SPK-ID: 2004728
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126810094627884 3.4857e-08  
a 2.30778864865624 7.1681e-09 au
q 2.047744694098891 8.065e-08 au
i 5.956085138685069 4.023e-06 deg
node 24.18949211468981 2.8229e-05 deg
peri 21.10819421929063 3.1762e-05 deg
M 191.8324159293119 1.5593e-05 deg
tp 2459598.680512428130
(2022-Jan-19.18051243)
5.6708e-05 TDB
period 1280.538016075725
3.51
5.9661e-06
1.633e-08
d
yr
n .2811318332455592 1.3098e-09 deg/d
Q 2.567832603213589 7.9758e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      24176 days (66.19 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:12  

Additional Information
 Earth MOID = 1.05772 au 
 Jupiter MOID = 2.78597 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456945.5 (2014-Oct-15.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117076052478059 3.4739e-08  
q 2.050236241501417 8.0271e-08 au
tp 2457037.371998702956
(2015-Jan-14.87199870)
5.2953e-05 TDB
node 24.22065464652849 2.8246e-05 deg
peri 21.12826443238326 3.1854e-05 deg
i 5.95458698910832 4.0209e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      24176 days (66.19 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:12  

Additional Information
 Jupiter MOID = 2.78597 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.206776388719759E-15 -2.779597322341303E-15 -4.504777674125958E-13 -7.914189141903791E-15 -1.275176302598788E-13 -3.855369212254883E-16
q -2.779597322341303E-15 6.443364730498655E-15 1.129735502253123E-12 1.817331083265887E-14 3.176252657404006E-13 9.411753353671527E-16
tp -4.504777674125958E-13 1.129735502253123E-12 2.804023146466319E-9 1.416170010858581E-12 7.858924083447588E-10 -1.320522535515297E-12
node -7.914189141903791E-15 1.817331083265887E-14 1.416170010858581E-12 7.978336806492896E-10 -7.926183907076332E-10 -3.229484470088214E-12
peri -1.275176302598788E-13 3.176252657404006E-13 7.858924083447588E-10 -7.926183907076332E-10 1.014654250207617E-9 2.868948211618386E-12
i -3.855369212254883E-16 9.411753353671527E-16 -1.320522535515297E-12 -3.229484470088214E-12 2.868948211618386E-12 1.616797063512927E-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 13.9   n/a MPO473831  
diameter diameter 4.046 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.357   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4728 Lyapidevskij (1979 VG)          Discovered 1979-Nov-11 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1973-Nov-18 03:28 < 00:01 Vesta 0.0380950984774162 0.038094092456238 0.0380961046763023 4.75356643957096 4.75356578250956 2442004.644132792 0.465299019745311 198.725423305455 37.008117786462 80.0572353642565 151303.473927385 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:49:17 2020-Nov-13 03:49

Alternate Designations
 1979 VG = 1972 TK1 = 1979 SH10 = 1986 TQ3 = 1993 TB45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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