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43768 Lynevans (1988 CH7)
Classification: Main-belt Asteroid          SPK-ID: 2043768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116614805012805 4.7477e-08  
a 3.090258786052744 1.6683e-08 au
q 2.729888860278096 1.4521e-07 au
i 11.71037793746635 4.3058e-06 deg
node 304.4813686602172 1.9214e-05 deg
peri 54.08212405034448 2.4314e-05 deg
M 198.9890148958034 1.6305e-05 deg
tp 2460283.949620504781
(2023-Dec-05.44962050)
9.2543e-05 TDB
period 1984.224015367472
5.43
1.6068e-05
4.399e-08
d
yr
n .1814311273383762 1.4692e-09 deg/d
Q 3.450628711827393 1.8629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      14874 days (40.72 yr)  
   first obs. used      1980-10-10  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:43:15  

Additional Information
 Earth MOID = 1.74302 au 
 Jupiter MOID = 2.01153 au 
 T_jup = 3.183 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145652702142091 4.7347e-08  
q 2.738131373709034 1.4421e-07 au
tp 2458298.542500062108
(2018-Jun-29.04250006)
8.8898e-05 TDB
node 304.541262045516 1.9204e-05 deg
peri 53.7771644801561 2.449e-05 deg
i 11.70943397253347 4.306e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      14874 days (40.72 yr)  
   first obs. used      1980-10-10  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 16:43:15  

Additional Information
 Jupiter MOID = 2.01153 au 
 T_jup = 3.183 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.241710652509748E-15 -6.792909141946088E-15 3.98419766259156E-14 -5.490234322292965E-16 -8.358012911323779E-14 -4.746022126529412E-16
q -6.792909141946088E-15 2.079572809851095E-14 1.821903973863381E-13 -3.011775636082083E-15 2.883197954342315E-13 1.743936510841134E-15
tp 3.98419766259156E-14 1.821903973863381E-13 7.902790146062175E-9 -1.006710414980338E-11 1.357262867716201E-9 -3.471159724646599E-12
node -5.490234322292965E-16 -3.011775636082083E-15 -1.006710414980338E-11 3.687910170722793E-10 -3.625529053806105E-10 2.652409626208229E-11
peri -8.358012911323779E-14 2.883197954342315E-13 1.357262867716201E-9 -3.625529053806105E-10 5.997411580929575E-10 -2.650651152714112E-11
i -4.746022126529412E-16 1.743936510841134E-15 -3.471159724646599E-12 2.652409626208229E-11 -2.650651152714112E-11 1.854160219610767E-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 13.46   n/a MPO636691  
diameter diameter 6.321 km 1.605 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43768 Lynevans           Discovered 1988 Feb. 15 by E. W. Elst at the European Southern Observatory.
Lyn Evans (b. 1945) is a Welsh scientist and project leader of the Large Hadron Collider at CERN. Under his leadership, the Higgs boson was discovered in 2012.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13

[ 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
2014-Dec-20 05:02 < 00:01 Jupiter 1.99742343360265 1.9974230470998 1.99742382010574 4.30337889635843 4.20368348023837 2457011.709617131 0.148371999294092 102.256806642568 15.7202341210354 -85.0681367262046 4095635.90202647 T 37 CATAB v2.0g-lin.ifort 2021-Aug-25 16:43:21 2021-Aug-25 16:43

Alternate Designations
 1988 CH7 = 1980 TZ = 2001 KT66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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