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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123124829212568 2.1857e-08  
a 2.308691238531216 6.8572e-09 au
q 2.049396393233224 5.0318e-08 au
i 5.954873807988439 1.1741e-06 deg
node 24.16984042319441 8.4438e-06 deg
peri 21.00113185539763 9.8495e-06 deg
M 248.1664055478534 8.7027e-06 deg
tp 2459598.531086523930
(2022-Jan-19.03108652)
3.1826e-05 TDB
period 1281.289328583004
3.51
5.7085e-06
1.563e-08
d
yr
n .280966985339782 1.2518e-09 deg/d
Q 2.567986083829208 7.6273e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2225  
   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      .49658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 16:50:43  

Additional Information
 Earth MOID = 1.05834 au 
 Jupiter MOID = 2.78581 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456964.5 (2014-Nov-03.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1116970490694792 2.1652e-08  
q 2.050231791082956 4.9665e-08 au
tp 2457037.383062588922
(2015-Jan-14.88306259)
2.8454e-05 TDB
node 24.22061050770137 8.4481e-06 deg
peri 21.13211210526495 9.9042e-06 deg
i 5.954608025859724 1.1739e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2225  
   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      .49658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 16:50:43  

Additional Information
 Jupiter MOID = 2.78581 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.688206306914588E-16 -1.067172316275409E-15 -4.886913997994324E-13 -9.501956052224724E-14 -7.071611308432589E-14 -1.521812587719901E-15
q -1.067172316275409E-15 2.466617718741767E-15 1.150982963033812E-12 2.168537037504729E-13 1.72704712678689E-13 3.714324006281893E-15
tp -4.886913997994324E-13 1.150982963033812E-12 8.096273189132788E-10 6.747152717231638E-11 1.895852466832323E-10 2.166911842281923E-12
node -9.501956052224724E-14 2.168537037504729E-13 6.747152717231638E-11 7.137026830374552E-11 -4.314647458242566E-11 -7.248379056259598E-12
peri -7.071611308432589E-14 1.72704712678689E-13 1.895852466832323E-10 -4.314647458242566E-11 9.809311392638004E-11 7.702003921366928E-12
i -1.521812587719901E-15 3.714324006281893E-15 2.166911842281923E-12 -7.248379056259598E-12 7.702003921366928E-12 1.378151048274601E-12

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 13.92   n/a E2021B10  
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

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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 29 CATAB v2.0f-lin.ifort 2021-Mar-16 16:51:29 2021-Mar-16 16:51

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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