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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126810095328071 3.4891e-08  
a 2.307788648674471 7.1723e-09 au
q 2.047744693953479 8.072e-08 au
i 5.956085264506001 4.0331e-06 deg
node 24.18949151842287 2.826e-05 deg
peri 21.1081947504492 3.1803e-05 deg
M 191.8324159723209 1.5609e-05 deg
tp 2459598.680512282233
(2022-Jan-19.18051228)
5.6761e-05 TDB
period 1280.538016090899
3.51
5.9696e-06
1.634e-08
d
yr
n .2811318332422279 1.3106e-09 deg/d
Q 2.567832603395463 7.9805e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      24144 days (66.10 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:19:29  

Additional Information
 Earth MOID = 1.05772 au 
 Jupiter MOID = 2.78597 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456932.5 (2014-Oct-02.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117147165421429 3.4772e-08  
q 2.050239899698578 8.0339e-08 au
tp 2457037.363858975905
(2015-Jan-14.86385898)
5.303e-05 TDB
node 24.22070366488639 2.8277e-05 deg
peri 21.1254290189048 3.1895e-05 deg
i 5.954565389173567 4.0311e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      24144 days (66.10 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:19:29  

Additional Information
 Jupiter MOID = 2.78597 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.2091197673717E-15 -2.784681993268431E-15 -4.548398677274093E-13 -7.855116868878127E-15 -1.290301714029894E-13 -4.034723213313559E-16
q -2.784681993268431E-15 6.454406791562791E-15 1.139147940511782E-12 1.80386713631265E-14 3.208954068860978E-13 9.804113701663424E-16
tp -4.548398677274093E-13 1.139147940511782E-12 2.812135586636243E-9 1.465625809111184E-12 7.885502230348549E-10 -1.321776023961372E-12
node -7.855116868878127E-15 1.80386713631265E-14 1.465625809111184E-12 7.996081115163214E-10 -7.9437011556166E-10 -3.60820476606259E-12
peri -1.290301714029894E-13 3.208954068860978E-13 7.885502230348549E-10 -7.9437011556166E-10 1.017286710653979E-9 3.245915864822047E-12
i -4.034723213313559E-16 9.804113701663424E-16 -1.321776023961372E-12 -3.60820476606259E-12 3.245915864822047E-12 1.624937456896861E-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

[ show close-approach data ]
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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